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334 Open-Source-Apps, bereit, auf einem Server zu laufen, der dir gehört, mit Datenbank, Variablen und URL bereits eingerichtet.

Applications
AF AFFiNE Verifiziert AFFiNE, the open-source Notion/Miro alternative — docs, whiteboards, and databases in one workspace you fully own. 3 Services AU Audiobookshelf Verifiziert Self-hosted audiobook and podcast server with a mobile-friendly player. CA Castopod Verifiziert Castopod, the open-source podcast hosting platform — publish episodes, track real analytics, and own your RSS feed instead of renting it. 3 Services CH Chatwoot Verifiziert Chatwoot, the open-source customer support platform — a shared inbox and live chat for your support team. 4 Services DO Dolibarr Verifiziert Dolibarr, the open-source ERP and CRM for small businesses — contacts, quotes, invoices, orders, stock and HR, lighter than Odoo — with a dedicated MariaDB database. 2 Services EX Excalidraw Verifiziert Virtual whiteboard for sketching diagrams and wireframes with a hand-drawn feel. G+ Ghost + MySQL Verifiziert Ghost, the open-source platform for blogs, newsletters and membership sites — running on its own dedicated MySQL database. 2 Services HO Homepage Verifiziert Modern, fast dashboard for organizing links and live widgets for self-hosted services. IM Immich Verifiziert Immich, the open-source photo and video backup app — a private, self-hosted alternative to Google Photos with AI-powered search. 4 Services JM Jitsi Meet Verifiziert Jitsi Meet, the open-source video conferencing platform — self-hosted calls with no per-minute bill. 4 Services LI LibreChat Verifiziert LibreChat's web/API process and the MongoDB it requires — the one datastore it can't share with Railyard's Postgres/Redis addons. 2 Services LO LogChimp Verifiziert LogChimp's API and theme as the two containers its own community compose ships, sharing one Postgres and Valkey. 4 Services MA Mastodon Verifiziert Decentralized social networking — run your own instance of the fediverse. + postgres+ redis MA Mastodon Verifiziert Mastodon, the open-source social network — your own branded instance on the fediverse, with real-time streaming and background jobs as dedicated services. 5 Services ME MediaCMS Verifiziert MediaCMS, the open-source video and media CMS — upload, transcode, and publish video from your own branded portal. 5 Services NA Navidrome Verifiziert Self-hosted music streaming server with a Subsonic-compatible API for mobile apps. OD Odoo Verifiziert Odoo, the open-source ERP and business-apps suite (CRM, accounting, inventory, website builder) — its application process and a dedicated Postgres database. 2 Services RO Rocket.Chat Verifiziert Rocket.Chat, the open-source team chat platform — a self-hosted alternative to Slack with its own dedicated MongoDB replica set. 2 Services AC Activepieces Community Open-source automation platform — an alternative to Zapier and Make. + postgres+ redis AK Akaunting Community Akaunting, open-source online accounting software — invoicing, expenses, banking and reports for a small business — with a dedicated MariaDB database. 2 Services AS Apache Superset Community Modern data exploration and visualization platform. + postgres+ redis A( Appwrite (core) Community Appwrite, the open-source backend-as-a-service — auth, databases, storage and realtime for web and mobile apps. 8 Services AR ArchiveBox Community Open-source internet archiving — save and browse offline copies of the sites you care about. AU Automatisch Community Open-source Zapier alternative for automating business workflows. + postgres+ redis AZ AzuraCast Community Open-source web radio management suite. BA Baserow Community Open-source no-code database — an Airtable alternative you fully control. BP Bluesky PDS Community Run your own Bluesky/AT Protocol Personal Data Server — host your own accounts on the Bluesky network under your own domain. BO BookStack Community Simple, open-source platform for organizing documentation and wiki content. + mysql CA Cal.com Community Open-source scheduling platform — an alternative to Calendly, fully self-hosted. + postgres CA Cal.com Community Cal.com, the open-source Calendly alternative — scheduling pages, availability and booking links — with a dedicated Postgres database. 2 Services CH Chatwoot Community Open-source customer engagement suite — an alternative to Intercom and Zendesk. + postgres+ redis CI CiviCRM Community CiviCRM, the open-source CRM built for nonprofits, NGOs and advocacy groups — contacts, donations, memberships, events and campaigns — with a dedicated MariaDB database. 2 Services DA Dashy Community Highly customizable, open-source homepage for organizing links to your services. DO Docmost Community Collaborative wiki and documentation software — an open-source Confluence/Notion alternative. + postgres+ redis DO Docspell Community Simple document organizer — tag, search, and archive scanned files and PDFs. + postgres DO DocuSeal Community DocuSeal, open-source document filling and signing — build a PDF form once, collect signatures from anyone on any device — with a dedicated Postgres database. 2 Services DR Drupal Community Flexible open-source CMS powering everything from blogs to large government sites. + mysql EA Easy!Appointments Community Easy!Appointments, the open-source appointment scheduler — booking pages, working hours, provider calendars, Google Calendar sync — with a dedicated MySQL database. 2 Services ES EspoCRM Community Open-source CRM for managing sales, customer relationships, and support. + mysql ET Etherpad Community Highly customizable, real-time collaborative document editor. + mysql FI Fider Community Collect and prioritize customer feedback — an open-source alternative to Canny. + postgres FI Filestash Community A modern file manager that connects to your existing storage — S3, FTP, WebDAV, and more. FI Firefly III Community Personal finance manager — budgets, bills, and reports you host yourself. + mysql FL Flarum Community Delightfully simple, fast discussion forum software. + mysql FL flatnotes Community Open-source, database-less note-taking app backed by a flat folder of markdown files. FO Focalboard Community Kanban-style project boards — an open-source Trello alternative. FO Formbricks Community Open-source in-product micro-surveys and experience management. + postgres FR Freqtrade Community A free, open-source crypto trading bot — backtest strategies and run them live from a web dashboard. FR Friendica Community Friendica, the federated social network that bridges to the wider fediverse — your own instance, your own rules — with a dedicated MariaDB database. 2 Services GH Ghost Community Publishing platform for independent writers — clean editor, built-in newsletters. + mysql GL GLPI Community Free IT asset and service management — inventory, tickets, and license tracking. + mysql GR Grav Community A fast, flat-file CMS — no database to manage, just Markdown files and a GitOps-friendly content folder. GR Grist Community Modern spreadsheet that goes beyond the grid — a relational database with a spreadsheet UI. HE HedgeDoc Community Open-source, real-time collaborative markdown editor. + postgres HO Horilla Community Open-source HRMS for streamlining HR operations. + postgres HU HumHub Community Open-source social network and collaboration platform for organizations. + mysql IN Invoice Ninja Community The leading free, open-source invoicing app for freelancers and small businesses. + mysql JE Jellyfin Community Free media system for organizing and streaming your own movies, shows, and music. JO Joomla Community Award-winning open-source CMS for building websites and web applications. + mysql KE Kener Community Clean, customizable status pages for your services and incidents. KN Kept Notes Community Self-hosted notes app with attachments and uploads — a Google Keep alternative. KI Kimai Community Free, open-source time-tracking for small businesses and freelancers. + mysql LA Lago Community Lago, the open-source billing engine — usage-based metering, invoicing and subscriptions for your own product. 5 Services LA LanguageTool Community Open-source grammar, style, and spell checker for 20+ languages. LA Lavalink Community A standalone audio-sending node for Discord bots — offload voice playback so your bot process stays lightweight. LE Leantime Community Strategic project management built for non-project-managers. + mysql LI Libredesk Community Open-source customer support helpdesk — shared inbox, ticketing, and automations. + postgres+ redis LI LimeSurvey Community LimeSurvey, the open-source survey and questionnaire tool — build surveys, collect responses, export results — with a dedicated MariaDB database. 2 Services LI Linkwarden Community Open-source, collaborative bookmark manager that archives full page snapshots. + postgres LO Logto Community Modern identity infrastructure — an Auth0 alternative for customer and org identity. + postgres MA Matomo Community Full-featured, open-source web analytics — a complete Google Analytics replacement. + mysql MS Matrix Synapse + Element Community Your own Matrix homeserver — Synapse plus the Element web client, for federated or private team chat you fully control. 3 Services MA Mattermost Community Open-source platform for secure team collaboration. + postgres MA Mautic Community Open-source marketing automation — email campaigns, lead scoring, and more. + mysql ME Mealie Community Open-source recipe manager and meal planner with a clean, modern UI. MI Misskey Community Open-source, decentralized microblogging platform for the fediverse. + postgres+ redis MI Mixpost Community Open-source social media scheduling and management — an open Buffer alternative. + mysql MO Moodle Community The world's most popular open-source learning management system. + postgres NE NetBox Community The source of truth for network infrastructure documentation and IPAM/DCIM. + postgres+ redis NE Nextcloud Community Open-source file sync, calendar, and collaboration — your own private Dropbox. + mysql N+ Nextcloud + Postgres Community Nextcloud, the open-source file sync, calendar and collaboration suite — a private alternative to Google Workspace or Dropbox. 4 Services NO Notifuse Community Open-source, modern email marketing and transactional sending platform. + postgres OS Omeka S Community Web publishing platform for library, museum, and archival collections. + mysql OD ONLYOFFICE Docs Community Online office suite — collaborative document, spreadsheet, and presentation editors. OW Open WebUI Community Extensible, self-hosted web UI for chatting with Ollama, OpenAI-compatible, or any LLM backend — a private ChatGPT-style frontend. OP OpenClaw Community Self-hosted AI assistant that runs on your own server and reaches you through Telegram, Discord, Slack, WhatsApp, and other channels. OP OpenEMR Community OpenEMR, the open-source electronic health records and medical practice management system — with a dedicated MariaDB database. 2 Services OP OpenProject Community Web-based project management for distributed teams — planning, tracking, collaboration. + postgres OU Outline Community Fast, polished team wiki and knowledge base — real-time collaborative docs. + postgres+ redis OU Outline Community Outline, the open-source team wiki and knowledge base — real-time collaborative docs for engineering and product teams. 3 Services OW Owncast Community Free, open-source live video streaming and chat server — an open-source Twitch. OW ownCloud Community Open-source file sync and share platform — an open Dropbox alternative. + mysql PN Paperless-ngx Community Digitize, tag, and archive your physical documents into a fully searchable library. + postgres+ redis PA Papermerge Community Open-source document management system for scanned archives. + postgres+ redis PP Password Pusher Community Share passwords and secrets over a link that expires after a view count or time limit. PE PeerTube Community PeerTube, the federated, open-source video platform — host your own YouTube-style instance that joins the fediverse instead of a walled garden. 3 Services PE Penpot Community Open-source design and prototyping platform for cross-functional product teams. + postgres+ redis P( Penpot (full stack) Community Penpot, the open-source Figma alternative for design and prototyping — deployed with its frontend, backend, PDF/SVG exporter, Postgres and Redis as separate services. 5 Services PE Peppermint Community Open-source ticket management and help desk — a Zendesk/Freshdesk alternative. + postgres P( Plane (core) Community Plane, the open-source project management tool — issues, cycles and sprints as a self-hosted alternative to Linear or Jira. 10 Services PO PostHog Community Open-source product analytics, session recording, and feature flags. + postgres+ redis PO Postiz Community Social media scheduling and publishing tool — an open-source Buffer alternative. + postgres+ redis PR PrestaShop Community Open-source platform for building and running an online store. + mysql RA Rallly Community Open-source scheduling and polling tool for organizing group events — a Doodle alternative. + postgres RE Redash Community Connect to any data source, visualize, and share dashboards across your team. + postgres+ redis RE Remark42 Community A fast, privacy-respecting comments engine you embed on any site — no tracking, no ads. RS RSSHub Community Turn almost anything — apps, sites, and services with no official feed — into an RSS feed. + redis SA Saltcorn Community No-code platform for building database-backed applications visually. + postgres SE Seafile Community Self-hosted file sync and share — a private Dropbox/Google Drive alternative with versioning and team libraries. 3 Services SE SearXNG Community Privacy-respecting, hackable metasearch engine that aggregates results with no tracking. SH Shlink Community The definitive open-source URL shortener, with a full REST API. + postgres SI SillyTavern Community Self-hosted frontend for chatting and roleplaying with local or remote LLMs, with character cards and community extensions. SI Snipe-IT Community IT asset and license management system. + mysql SP Stirling PDF Community A web app for merging, splitting, converting, and editing PDF files. S( Supabase (self-hosted, core) Community Supabase, the open-source Firebase alternative — Postgres, auth, instant APIs, realtime and storage in one self-hosted stack. 7 Services SY Syncthing Community Continuous, peer-to-peer file synchronization across your own devices. TM Telegram MTProxy Community Telegram's official MTProto proxy — relay Telegram traffic through your own server, no decryption, zero-configuration. TE Temporal Community Durable execution platform for building reliable, scalable application workflows. + postgres TN Trilium Notes Community Hierarchical note-taking app built for large personal knowledge bases. TU Tuwunel Community A lightweight, high-performance Matrix homeserver — chat federation without the operational weight of Synapse. TC Twenty CRM Community Twenty, the open-source CRM — track sales pipelines and contacts without a per-seat SaaS bill. 4 Services TY Typecho Community A lightweight PHP blogging platform popular across Asia — simple, fast, and plugin-friendly. + mysql VI Vikunja Community To-do lists and task management with lists, Kanban boards, and Gantt charts. WE Weblate Community Web-based continuous localization system used by thousands of open-source projects. + postgres+ redis WE Wekan Community Wekan, the open-source Trello alternative — Kanban boards, cards, swimlanes and real-time collaboration — with a dedicated MongoDB database. 2 Services WG wger Community Free, open-source fitness, workout, and nutrition tracker. + postgres WI Wiki.js Community Modern, elegant wiki software — Markdown editing, versioning, fine-grained permissions. + postgres WI WildFly Community Lightweight, modular Java application server (formerly JBoss AS). WO WordPress Community The world's most popular CMS — blogs, business sites, anything content-driven. + mysql WR WriteFreely Community A minimalist, federated blogging platform — write in Markdown, publish to the fediverse. XW XWiki Community Generic wiki platform for building structured, collaborative applications. + mysql YO Yopass Community Yopass, the open-source one-time-secret sharing tool — encrypt in the browser, share a self-destructing link, nothing stored once it's viewed — with a dedicated Memcached instance. 2 Services YO YOURLS Community The de-facto standard open-source URL shortener, in PHP. + mysql ZA Zammad Community Web-based, open-source helpdesk and customer support system. + postgres ZU Zulip Community Zulip, the open-source team chat app organized by topic instead of just channels — a self-hosted alternative to Slack. 5 Services
Automation
N8 n8n Verifiziert Visual workflow automation — connect APIs and services without writing glue code. N( n8n (queue mode) Verifiziert n8n, the fair-code workflow automation tool — running in queue mode with a dedicated worker, so webhooks keep answering while workflows run in the background. 4 Services A( Airbyte (core, from Helm) Community Airbyte, the open-source data integration platform — move data between databases, APIs and warehouses with 300+ connectors. 6 Services CR Cronicle Community Simple, distributed task scheduler and runner with a web-based UI. EA Evolution API Community Open-source WhatsApp/multi-channel messaging API — the common self-hosted engine behind n8n and Chatwoot bot automations. + postgres+ redis FL Flowise Community Visual tool for building customized LLM workflows using LangChain. HU Huginn Community Build agents that monitor and act on things on your behalf — an open IFTTT. + postgres KE Kestra Community Open-source data orchestration and scheduling platform, defined declaratively. + postgres LO Loomio Community Collaborative decision-making tool for groups and organizations. + postgres+ redis NR Node-RED Community Flow-based programming for wiring hardware, APIs, and services together. PR Prefect Community Prefect, the Python workflow orchestrator — schedule, retry, and monitor data pipelines from one dashboard. + postgres TY Typebot Community Typebot, the open-source conversational form and chatbot builder — design flows visually, publish, and collect responses without writing code. 3 Services WI Windmill Community Turn scripts into workflows and internal apps — an open-source Retool + Zapier. + postgres
Databases
AC Apache CouchDB Community Document database with HTTP/JSON APIs and built-in multi-master replication — sync data between servers and devices. AK Apache Kafka Community Distributed event-streaming platform for high-throughput pub/sub and log storage. AP Apache Pulsar Community Cloud-native, multi-tenant pub/sub platform with built-in geo-replication and tiered storage — a Kafka alternative. CA Cassandra Community Wide-column NoSQL database built for large-scale, always-on availability. CE Centrifugo Community Scalable real-time messaging server — WebSocket/SSE pub/sub and presence for building live features. CH Chroma Community The AI-native open-source embedding database. CL ClickHouse Community Column-oriented database built for fast analytical queries at scale. CO CockroachDB Community Distributed SQL database that speaks the Postgres wire protocol — built for resilience and horizontal scale. CO Couchbase Community Distributed NoSQL database combining SQL-like querying with JSON flexibility. DR Dragonfly Community Redis/Memcached-compatible in-memory data store built for modern multi-core hardware — a drop-in, higher-throughput replacement. EM Eclipse Mosquitto Community Lightweight, open-source MQTT broker for IoT and pub/sub messaging. EL Elasticsearch Community Distributed search and analytics engine — full-text search at any scale. EL Electric Community Postgres sync engine — real-time partial replication of your data into client apps and local-first software. 2 Services EM EMQX Community High-performance MQTT broker for IoT and real-time messaging, with a built-in web dashboard. FA Faktory Community Language-agnostic background job server with a web dashboard — queues, retries, and scheduling for workers in any language. FA FalkorDB Community Low-latency graph database built on Redis — Cypher queries over a sparse matrix graph engine. FE FerretDB Community MongoDB-compatible document database backed by real PostgreSQL underneath. + postgres HA Hatchet Community Durable task queue and workflow engine — distributed background jobs with retries, scheduling, and a web dashboard. + postgres IM immudb Community Tamperproof, cryptographically verifiable immutable ledger database. IN InfluxDB Community Time-series database for metrics, events, and IoT/analytics workloads. IN Inngest Community Durable function platform for event-driven background jobs — step functions, retries, and scheduling with a built-in dashboard. + postgres KE KeyDB Community A multithreaded, Redis-compatible in-memory database. KO Kopia Community Fast, secure backup tool with deduplication, compression, and encryption — browse and restore snapshots from a web UI. LY Lychee Community Self-hosted photo-management app — fast albums, sharing, and search for your own photo library. + mysql+ redis MS Manticore Search Community Fast, lightweight open-source search database — a leaner Elasticsearch alternative. MA MariaDB Community Community-driven fork of MySQL — drop-in compatible, fully open-source. MI Milvus Community Open-source vector database built for AI — similarity search and storage for embeddings at scale. 3 Services MO MongoDB Community Document-oriented NoSQL database — flexible schemas, horizontal scale. MY MySQL Community The world's most widely deployed open-source relational database. NA NATS Community Lightweight, high-performance messaging system with pub/sub, request/reply, and JetStream persistence. NE Neo4j Community The world's leading native graph database. OP OpenSearch Community Community-driven search and analytics engine, forked from Elasticsearch. PA ParadeDB Community Postgres distribution with search and analytics extensions built in — an Elasticsearch alternative that speaks SQL. PG PGroonga Community PostgreSQL with the PGroonga full-text search extension preinstalled — fast multilingual search, including CJK. PG pgvector Community PostgreSQL with vector similarity search built in — embeddings alongside your relational data. PO PostGIS Community PostgreSQL extended with geospatial indexing and querying. PO PostgreSQL Community The open-source relational database — reliable, extensible, battle-tested. QD Qdrant Community Vector database for embeddings and similarity search — built for AI workloads. RA RabbitMQ Community Reliable message broker — queues and pub/sub for connecting services. RE Redis Community In-memory data store — caching, queues, pub/sub, and more. RE Redpanda Community Kafka-API-compatible streaming platform — a single binary, no ZooKeeper or JVM, for high-throughput pub/sub and event logs. SP SpacetimeDB Community Relational database with an embedded application server — a multiplayer-grade realtime backend in one process. SS SQL Server Community Microsoft SQL Server — the standard choice for .NET-centric stacks. SU SurrealDB Community Multi-model database — documents, graphs, and SQL-like queries in one engine, with a built-in HTTP/WebSocket API. TI TimescaleDB Community PostgreSQL built for time-series data at scale. TY Typesense Community Fast, typo-tolerant search engine API — an open-source Algolia alternative. VA Valkey Community A Redis-compatible in-memory datastore, open-source under the Linux Foundation. WE Weaviate Community Open-source vector database for storing and searching ML embeddings.
Dev Tools
LS LibreDB Studio Verifiziert A universal database GUI in your browser — Postgres, MySQL, Oracle, MongoDB, Redis, SQLite, DuckDB and more, MIT licensed. + postgres AC Ackee Community Open-source, privacy-focused analytics tool built on Node.js. + postgres AN Answer Community Open-source Q&A community platform — build a support forum for your product. AA Apache Airflow Community Platform to programmatically author, schedule, and monitor data workflows. + postgres AG Apache Guacamole Community Clientless remote desktop gateway — RDP, VNC, and SSH from a browser. + mysql AS Apache Solr Community Blazing-fast, battle-tested open-source enterprise search platform, built on Lucene. AM Apollo MCP Server Community Exposes a GraphQL API's operations as MCP tools so AI agents can call them directly. AR Apollo Runtime Community Apollo's open-source GraphQL router — a high-performance runtime for federated GraphQL supergraphs. AP Appsmith Community Open-source framework for building internal tools and admin panels fast. AU Authentik Community Flexible, versatile open-source identity provider — SSO, MFA, and enterprise-ready auth. + postgres+ redis BO Botpress Community Next-generation chatbot builder — build ChatGPT-style bots for your product. + postgres BR Browserless Community A headless Chrome fleet behind one API — run browser automation and scraping jobs without managing Chromium yourself. BY Bytebase Community Open-source database CI/CD and schema change management for teams. CA Caddy Community Open-source web server and reverse proxy with automatic HTTPS. CS code-server Community VS Code, running in the browser — a full dev environment on any machine. CO Coder Community Self-hosted remote development environments — define workspaces as code, open them from the browser or any IDE. + postgres CR Crawl4AI Community Open-source, LLM-friendly web crawler and scraper — turns any page into clean markdown or structured data for RAG pipelines. DB DbGate Community Database manager for MySQL, PostgreSQL, SQL Server, MongoDB, SQLite, and more. D( Dify (core) Community Dify, the open-source LLM app development platform — build and host AI agents and chatbots on your own data. 10 Services DI Directus Community Open-source data platform that turns any SQL database into a real-time API and admin app. + postgres DO Documenso Community Open-source document signing platform — a DocuSign alternative. + postgres DS Drizzle Studio Gateway Community Self-hosted gateway that lets Drizzle Studio connect to databases you run yourself, instead of Drizzle's hosted cloud. FB File Browser Community A simple web file manager — browse, upload, and share files from any server. FL Flagsmith Community Fully-featured, open-source feature flag and remote config service. + postgres FO Forgejo Community Self-hosted, community-run Git forge — a Gitea fork with no corporate backer. + postgres GL GlitchTip Community Open-source error tracking and performance monitoring — a Sentry reimplementation. + postgres+ redis GO Gogs Community Lightweight open-source Git service — painless and fast. GO Gotenberg Community Docker-powered stateless API for converting and generating PDF files. HA HAProxy Community The reliable, high-performance TCP/HTTP load balancer. HA Hasura Community Instant, real-time GraphQL API over your existing Postgres database. + postgres HA Hermes Agent Community Self-improving personal AI agent with persistent cross-session memory and a built-in scheduler, reachable from messaging platforms. HO Hoppscotch Community Lightweight, web-based API development and testing suite — a Postman alternative. JE Jenkins Community The leading open-source automation server for CI/CD pipelines. KA Kanboard Community Free, open-source Kanban project management software. KE Keycloak Community Open-source identity and access management — SSO, federation, and fine-grained auth. + postgres LA Langflow Community Visual, drag-and-drop builder for LLM agent and RAG workflows, exportable as a reusable API endpoint. + postgres LI Listmonk Community Open-source, high-performance mailing list and newsletter manager. + postgres LO LocalAI Community Open-source, OpenAI API-compatible drop-in replacement for running LLM, image, and audio models locally, with or without a GPU. LO Loki Community Horizontally scalable log aggregation system, designed to work with Grafana. MA Mathesar Community Spreadsheet-like interface for browsing and editing data already in a Postgres database. + postgres MI MinIO Community S3-compatible object storage — open-source, high-performance, hybrid-cloud ready. NA Nagios Community The industry-standard IT infrastructure monitoring platform. NO NocoBase Community An extensible no-code platform — model data, build workflows, and assemble internal apps visually. + postgres NO NocoDB Community Open-source #NoCode platform that turns any database into a smart spreadsheet. + postgres OL Ollama Community Run large language models locally — pull and serve open models like Llama, Qwen, and Gemma through a simple REST API. OP OpenLDAP Community Free, open-source implementation of the Lightweight Directory Access Protocol. PB Pact Broker Community The source of truth for contract tests between services — publish Pact contracts and verification results from CI. + postgres PA Paperclip Community Self-hosted dashboard for running and tracking a team of coding/ops AI agents (Claude Code, Codex, OpenCode) in one place. PO PocketBase Community Open-source backend in a single file — auth, realtime DB, and file storage. PO Portainer Community A web UI for managing Docker containers, images, and volumes. PO Postal Community Full-featured, open-source mail delivery platform for incoming and outgoing email. + mysql+ rabbitmq PR Prometheus Community The leading open-source monitoring system and time-series database, with alerting. RI Rivet Community Open-source actor runtime for stateful serverless functions and multiplayer backends. SF SFTPGo Community Fully-featured, highly configurable SFTP/FTP/WebDAV server. SI SigNoz Community Open-source APM — traces, metrics, and logs in one place, a Datadog alternative. SO SonarQube Community Static code analysis — catches bugs, vulnerabilities, and code smells in CI. + postgres SN Sonatype Nexus Community Free artifact repository with universal format support — Maven, npm, Docker, and more. SQ Squid Community Fast, powerful caching and forwarding proxy server. SP Supabase Postgres Community The Postgres database at the core of Supabase — Firebase alternative building block. TE Teable Community No-code, Postgres-backed alternative to Airtable. + postgres+ redis TE Temporal Community Temporal, the open-source durable execution engine — business processes and microservice orchestration that survive restarts and retries. 3 Services TE Termix Community Self-hosted SSH, RDP, VNC and file-manager terminal — manage every server from one browser tab. US useSend Community Open-source email sending platform — a self-hosted alternative to Resend and SendGrid. + postgres+ redis VA Vault Community Secrets management, encryption as a service, and privileged access management. VI VictoriaMetrics Community Fast, cost-effective, Prometheus-compatible monitoring solution and time-series database. VL vLLM Community High-throughput, memory-efficient inference and serving engine for large language models, with an OpenAI-compatible API. WE WG-Easy Community The easiest way to run WireGuard VPN, with a friendly web UI. ZA Zabbix Community Enterprise-class open-source distributed monitoring solution. + postgres ZI Zitadel Community Cloud-native identity and access management platform built for the cloud era. + postgres
Frameworks
CH Changedetection.io Verifiziert Track changes on any website — price drops, restocks, page edits — and get notified. FF FastAPI full-stack template Verifiziert The official FastAPI starter — React frontend, Postgres, JWT auth, ready to extend. + postgres GI Gitea Verifiziert Lightweight, open-source Git service — your own GitHub, one container. HA Halo Verifiziert Modern, open-source blogging and CMS platform built on Spring Boot. + postgres HE Healthchecks Verifiziert Cron job and background task monitoring, with alerts when something goes quiet. + postgres HR Hello Railyard Verifiziert A tiny web page that deploys in seconds with no build. Use it to check a new server end to end. LI Livebook Verifiziert Interactive, collaborative Elixir notebooks — like Jupyter, for the BEAM. MF Maybe Finance Verifiziert Personal finance and wealth management, open-source — budgets, net worth, investments. + postgres+ redis ME Meilisearch Verifiziert Fast, typo-tolerant open-source search engine with a built-in playground UI. ME Memos Verifiziert Lightweight, open-source note-taking — a fast personal knowledge base. UM Umami Verifiziert Simple, privacy-focused website analytics — a lightweight Google Analytics alternative. + postgres W( Wagtail (bakery demo) Verifiziert A full editorial site out of the box — Wagtail CMS's own reference demo. + postgres
Identity & Access
VA Vaultwarden Verifiziert A lightweight Bitwarden-compatible password manager server. 2F 2FAuth Community Open-source, self-hosted two-factor authentication token manager — generate TOTP/HOTP codes from a browser instead of your phone. AU Authelia Community Open-source authentication and authorization server — MFA and SSO for your apps. + postgres+ redis AU Authorizer Community Open-source authentication and authorization server — database-agnostic, OIDC-compliant, deploy-anywhere auth backend. + postgres CA Cap Community Privacy-first, open-source CAPTCHA alternative using proof-of-work and instrumentation challenges instead of tracking or puzzles. + redis CA Casdoor Community Open-source identity and access management platform with SSO, social login, and RBAC — an Auth0/Okta alternative. HA Hanko Community Open-source authentication infrastructure built around passkeys, with passwords and social login as fallbacks. + postgres IN Infisical Community Open-source, end-to-end encrypted secret management for teams and infrastructure. + postgres+ redis K( Keycloak (Identity) Community Identity and access management with SSO, federation, and social login — same image as the Dev Tools entry, filed here too since that's where people look for it. + postgres NA Nango Community Open-source unified API for product integrations — OAuth, API key, and webhook handling for hundreds of third-party platforms. + postgres OP OpenFGA Community Open-source, high-performance authorization engine implementing Google's Zanzibar paper — relationship-based fine-grained permissions. + postgres OH Ory Hydra Community Open-source OAuth 2.0 and OpenID Connect server — certified, headless, and built to sit in front of your own login UI. + postgres OK Ory Kratos Community Open-source identity and user management server — registration, login, MFA, and account recovery as an API, no bundled UI. + postgres PA Passbolt Community Open-source password manager built for teams — share and manage credentials with granular permissions. + mysql PI Pocket ID Community Simple, self-hosted OIDC provider that only supports passkey login — no passwords, ever. PO Pomerium Community Open-source, identity-aware access proxy — zero-trust access to internal apps without a VPN. SU SuperTokens Community Open-source authentication core — sessions, social and passwordless login, for teams building custom auth instead of adopting a full IdP. + postgres
Monitoring & Analytics
M+ Metabase + Postgres Verifiziert Metabase, the open-source BI tool — self-serve dashboards and charts for your team, no per-seat license. 2 Services UK Uptime Kuma Verifiziert Open-source uptime monitoring with a clean status page — a Pingdom alternative. AS Apache Superset Community Apache Superset, the open-source BI platform — SQL Lab and shareable dashboards over your data warehouse. 5 Services AA Apprise API Community One notification endpoint for 100+ services — fire a single webhook and fan it out to Slack, Discord, email, SMS, and more. AP Arize Phoenix Community Open-source LLM observability — tracing, evals, and prompt/response inspection for AI apps, over OpenTelemetry. BE Beszel Community Lightweight server monitoring hub — CPU, RAM, disk, and network history and alerts across a fleet of servers. CH Checkmate Community Open-source uptime, server hardware and incident monitoring with real-time status pages. 2 Services CO Corteza Community Low-code platform for building CRM, business process, and structured data apps. + postgres CR Cryptgeon Community Secure, open-source note and file-sharing service, inspired by PrivNote. + redis CR CryptPad Community End-to-end encrypted, open-source collaboration suite. CU Cube Community Open-source semantic layer and headless BI API — define metrics once and query them consistently from any app. DA Datasette Community Open-source tool for exploring and publishing SQLite databases as a browsable, queryable website and JSON API. FR FreeScout Community Free, open-source help desk and shared mailbox system. + mysql FR FreshRSS Community An open-source RSS feed reader — light, fast, and fully under your control. GO GoAlert Community On-call scheduling and alert routing — escalation policies, rotations, and notifications for an engineering team. + postgres GR Grafana Community Dashboards and visualization for metrics, logs, and traces from any source. GP Grafana Pyroscope Community Continuous profiling backend — find CPU and memory hotspots across your fleet without attaching a profiler per request. GR Graylog Community Centralized log management — collect, search, and alert on logs from your whole fleet in one place. 3 Services GR GrowthBook Community Open-source feature flagging and A/B testing platform with a visual experiment-results engine. + mongodb H( Healthchecks (image) Community Cron job and background task monitoring — official image instead of a source build. + postgres JA Jaeger Community Open-source, end-to-end distributed tracing for microservices — all-in-one mode with in-memory storage. LV Langfuse v3 (core) Community Langfuse, the open-source LLM observability platform — tracing, evals and prompt management for AI applications. 6 Services LI LibreNMS Community Auto-discovering SNMP network monitoring — graphing and alerting for switches, routers, and other infrastructure. + mysql+ redis MA Mage AI Community Open-source data pipeline tool for building, running, and monitoring ETL/ELT workflows with a notebook-style UI. + postgres ME Metabase Community Ask questions of your data in plain language and share the answers as dashboards. + postgres NE Netdata Community Real-time, per-second infrastructure monitoring with zero configuration and built-in dashboards. NT ntfy Community Simple, open-source pub-sub push notification service — alerts to phone or desktop over HTTP. OP OpenSlides Community Web-based software for managing and running digital meetings and committees. + postgres OC OpenTelemetry Collector Community Vendor-neutral telemetry pipeline — receive traces, metrics, and logs over OTLP and fan them out to any backend. PG pgAdmin Community The most popular open-source administration and development platform for PostgreSQL. PH PhotoPrism Community AI-powered app for browsing, organizing, and sharing your photo collection. + mysql PL Plausible Community Plausible, the open-source, cookie-free website analytics platform — a privacy-friendly alternative to Google Analytics. 3 Services P( PostHog (self-hosted, core) Community PostHog, the open-source product analytics platform — event tracking, feature flags and session replay without sending user data to a third party. 7 Services QU QuestDB Community High-performance, open-source time-series database with SQL, built for fast ingestion and real-time analytics. RU RudderStack Community RudderStack, the open-source customer data pipeline — collect events once and route them to every destination you configure. 3 Services S( Sentry (self-hosted, core) Community Sentry, the open-source error and performance monitoring platform — self-hosted, so your data never leaves your own infrastructure. 11 Services TH ThingsBoard Community Open-source IoT platform for device management, telemetry collection, visualization, and rule-based data processing. + postgres TR Tracearr Community Tracks Plex, Jellyfin and Emby playback to flag account sharing and watch-pattern anomalies. TR Trino Community Distributed SQL query engine for running fast, interactive analytics across multiple data sources at once. WI Wazuh Indexer Community Open-source security platform — unified XDR and SIEM for endpoints and cloud.

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