All Open Source Apps
Every app scored on repo health, technical quality, and dependency risk — before you install anything.
Category
Sort:Health Score
LiteLLM
AI Development · Developer Tools
Open source AI gateway and Python SDK that gives you one OpenAI-compatible interface to call 100+ LLM providers, with built-in routing, cost tracking, guardrails, and virtual keys.
MaxKB
AI Development · Knowledge Management
Build enterprise-grade AI agents with RAG, workflows & multi-modal support
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.
SillyTavern
AI Assistants
The power-user LLM frontend that unifies dozens of AI backends with a rich scripting engine, immersive Visual Novel mode, and a thriving extension ecosystem.
AnythingLLM
AI Assistants · Automation · Developer Tools
The all-in-one AI platform for private document chat, no-code agents, and local LLMs with zero setup friction.
Flagsmith
Ab Testing Experimentation · Developer Tools · Devops
Open-source feature flagging, remote config, and A/B/multivariate testing platform for web, mobile, and server-side apps — self-host or use the hosted SaaS.
Fleetbase
Logistics
Modular open-source logistics and supply chain operating system
Healthchecks
Devops · Monitoring
Open-source cron job and background task monitoring that alerts you when your scheduled jobs go silent.
homepage
Monitoring · Productivity
A fast, fully static, and secure self-hosted startpage with Docker service discovery and integrations for over 160 services.
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.
Paperless-ngx
Bookmarks Archiving
Turn your paper pile into a searchable digital archive with OCR, AI classification, and automated workflows — all running on your own server.
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.
Twake Drive
Collaboration · File Storage
Open-source, self-hosted file manager with collaborative drives, AI-powered summarization, and OnlyOffice document editing for teams who want full data sovereignty.
Uptime Kuma
Monitoring
Self-hosted monitoring for every service you run — 23 monitor types, 95 notification channels, live dashboards, and public status pages with no 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.
ChartBrew
Analytics · Databases
Open-source reporting platform to build live dashboards from SQL, NoSQL, APIs, and SaaS tools with an AI assistant that creates charts from natural language.
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.
Langflow
AI Agents · AI Development
Build, test, and deploy AI agents and RAG workflows visually with native API and MCP server export.
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.
Stirling PDF
Digital Signiture · Productivity
The open-source PDF platform you can run anywhere — edit, convert, sign, and automate PDFs without sending files to external servers.