All Open Source Apps
Every app scored on repo health, technical quality, and dependency risk — before you install anything.
Category
Sort:Health Score
swagger-ui
Developer Tools
Transform OpenAPI specifications into interactive, browser-based API documentation that developers and consumers can explore and test live.
MLflow
AI Development · Monitoring
The open source AI engineering platform for debugging, evaluating, monitoring, and optimizing production LLMs and agents at scale.
Parse Server
Databases · Developer Tools
Self-hosted Backend-as-a-Service for Node.js with REST, GraphQL, real-time Live Query, cloud code, and pluggable adapters for any infrastructure.
Apache Airflow
Data Engineering
Define, schedule, and monitor complex data workflows as Python code — with a powerful UI, 80+ provider integrations, and battle-tested scalability across thousands of production deployments.
Jitsi Meet
Collaboration · Team Chat · Video Conferencing
Open-source, end-to-end encrypted video conferencing you can self-host or embed into any web or mobile app.
Zulip
Team Chat
Topic-based team chat that brings the structure of email threads to real-time messaging, so distributed teams never lose context across hundreds of concurrent conversations.
ClearML
Automation · Devops
Auto-magical MLOps platform that tracks experiments, versions data, orchestrates pipelines, and serves models with just two lines of code.
Appsmith
Automation · Developer Tools · No Code Platforms
Open-source low-code platform to build admin panels, dashboards, and internal tools connected to any database or API.
Agno
AI Development · Automation · Devops
Build, run, and manage agent platforms with a full production stack — SDK, runtime, and control plane included.
Label Studio
AI Development · Data Engineering
Label Studio is an open-source, multi-type data labeling platform that lets teams annotate images, text, audio, video, and time series data with a configurable XML-based UI and export annotations in formats ready for any ML framework.
Medplum
Authentication · Databases · Developer Tools
An open-source, FHIR-native healthcare platform that gives developers a compliant backend, authentication, a React component library, and serverless bots to build clinical applications in weeks instead of years.
changedetection.io
Monitoring
Self-hosted website change detection with AI-powered smart alerts, browser automation, price tracking, and 85+ notification channels.
TinaCMS
CMS
An open-source, Git-backed headless CMS that gives editors a live visual editing UI over Markdown, MDX, JSON, and YAML content while developers keep everything in version control.
Grist
Databases · No Code Platforms
A modern relational spreadsheet that combines Python-powered formulas, drag-and-drop dashboards, and granular access controls in a self-hostable, SQLite-backed data platform.
Unleash
Ab Testing Experimentation · Developer Tools · Devops
The open-source feature management platform that lets you ship code to production and control who sees it — without redeploying.
WrenAI
AI Agents · Analytics · Data Engineering
Open-source GenBI engine that lets AI agents turn natural-language questions into governed SQL, charts, and shareable dashboards across 20+ data sources — no vendor lock-in, no black-box prompts.
Cline
AI Code Assistants
An open-source AI coding agent that lives in your editor and terminal — reads and edits your codebase, runs commands, browses the web, and requires human approval for every action by default.
Fern
Developer Tools
Fern turns a single OpenAPI, AsyncAPI, or Protobuf definition into type-safe SDKs for nine languages and a hosted API documentation site, all from one CLI and one source of truth.
marimo
Data Engineering · Developer Tools
A reactive Python notebook that eliminates hidden state, runs reproducibly, and deploys as a web app or script — stored as pure Python, built for the AI era.
OneUptime
Monitoring
The complete open-source observability platform that replaces PagerDuty, Datadog, Sentry, and StatusPage with a single self-hostable system.
Polar
Developer Tools · Ecommerce · Invoicing Finance
Open source payments infrastructure that turns software into a business — subscriptions, usage-based billing, digital products, and merchant-of-record compliance in one platform.
Supabase
Authentication · Databases · Developer Tools
The open-source Postgres development platform that replaces Firebase with authentication, real-time APIs, edge functions, storage, and vector embeddings — all built on PostgreSQL.
Trigger.dev
AI Development · Automation · Developer Tools
Build and deploy fully-managed AI agents and background jobs in TypeScript — with no timeouts, durable retries, real-time observability, and elastic scaling built in.
drawio-desktop
Design Tools · Productivity
The offline-first diagram editor that puts security above all else — no account, no data leaving your machine, no compromises.