All Open Source Apps
Every app scored on repo health, technical quality, and dependency risk — before you install anything.
Category
Sort:Health Score
MLflow
AI Development · Monitoring
The open source AI engineering platform for debugging, evaluating, monitoring, and optimizing production LLMs and agents at scale.
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.
CrateDB
Analytics · Databases
Distributed SQL database for real-time analytics at scale
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.
Airbyte
Data Engineering · Developer Tools
Open-source ELT platform with 600+ connectors for moving data from any source to warehouses, lakes, and AI agents.
Chatwoot
Customer Support
Open-source omnichannel customer support platform with AI-powered agents, live chat, and self-hosting — a full Intercom and Zendesk alternative.
ClearML
Automation · Devops
Auto-magical MLOps platform that tracks experiments, versions data, orchestrates pipelines, and serves models with just two lines of code.
Sentry
Analytics · Developer Tools · Monitoring
Developer-first error tracking and performance monitoring platform with AI-powered root-cause analysis across 20+ languages and frameworks.
Kestra
Automation · Data Engineering · Devops
Event-driven orchestration platform for data, AI, and infrastructure workflows — define everything in YAML, run anywhere at scale.
Agno
AI Development · Automation · Devops
Build, run, and manage agent platforms with a full production stack — SDK, runtime, and control plane included.
AutoGPT
AI Assistants · Automation · Productivity
Build, deploy, and run autonomous AI agents that automate complex multi-step workflows using a visual block-based graph editor.
authentik
Authentication · Security
The self-hosted Identity Provider that replaces Okta, Auth0, and Entra ID with a unified SSO platform supporting SAML, OAuth2/OIDC, LDAP, RADIUS, and WebAuthn.
changedetection.io
Monitoring
Self-hosted website change detection with AI-powered smart alerts, browser automation, price tracking, and 85+ notification channels.
Copybara
Developer Tools
Google's internal tool, open-sourced, for transforming and moving code between repositories — keeping a confidential and public repo in sync, importing external contributions into an authoritative repo, or migrating code once.
Onyx
AI Agents · AI Assistants · Knowledge Management
Self-hostable AI platform with agentic RAG, 50+ connectors, deep research, code execution, and support for every major LLM provider.
PostHog
Ab Testing Experimentation · Analytics · Developer Tools
The all-in-one open source product platform combining analytics, session replay, feature flags, error tracking, AI observability, and a built-in data warehouse in a single self-hostable stack.
Open WebUI
AI Agents · AI Assistants
The extensible, privacy-first AI platform that runs Ollama, OpenAI, and any LLM backend behind a polished, feature-packed web interface.
QuestDB
Analytics · Databases
A high-performance, open-source time-series database built for financial market data, IoT telemetry, and real-time analytics, combining a zero-GC Java/C++ core with SIMD-accelerated SQL and a WAL-to-Parquet storage engine.
SuperTokens
Authentication · Security
Open-source authentication platform you self-host, giving you complete control over user data with zero vendor lock-in.
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.
Keep
Automation · Devops · Monitoring
The open-source AIOps and alert management platform that unifies 130+ monitoring tools into a single pane of glass with AI-powered correlation, deduplication, and workflow automation.
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.
Arize Phoenix
Analytics · Devops · Monitoring
Open-source AI observability platform for tracing, evaluating, and debugging LLM applications with built-in intelligence and MCP support.
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.