All Open Source Apps
Every app scored on repo health, technical quality, and dependency risk — before you install anything.
Category
Sort:Health Score
Mastra Code
AI Code Assistants
"A coding agent that never compacts" — a terminal-based AI coding agent built on the Mastra framework, with Observational Memory instead of context compaction, multi-model support, and OAuth login for Claude Max or ChatGPT Plus.
Meilisearch
Search
Lightning-fast hybrid search engine with AI-powered semantic and full-text retrieval for modern applications.
Memgraph
AI Development · Databases
High-performance in-memory graph database for AI context and real-time analytics
ntfy
Developer Tools · Marketing
Send push notifications to your phone or desktop from any script or service using a single HTTP PUT or POST—no sign-up required.
Omnivore
Bookmarks Archiving · Knowledge Management · Note Taking
Self-hosted read-it-later platform with highlights, newsletters, PDFs, and seamless Obsidian and Logseq integration.
OpenObserve
Analytics · Devops · Monitoring
Open source observability platform for logs, metrics, traces, and real user monitoring — delivering 140x lower storage costs than Elasticsearch with a single binary you can run in under 2 minutes.
PocketBase
Authentication · Databases · Ecommerce
Open Source realtime backend in 1 file — embedded SQLite, auth, file storage, and admin UI as a single Go binary.
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.
Promptfoo
AI Development
An open-source CLI and library for evaluating and red-teaming LLM applications — replace trial-and-error prompt engineering with systematic evals, vulnerability scanning, and CI/CD integration.
Scalar
Developer Tools
Beautiful, interactive OpenAPI documentation with a built-in offline-first API client and multi-language code generation — all in one open-source platform.
Suna
AI Agents
Turn your company into a git repo — one config, one command center, a workforce of AI agents that runs the real work around the clock.
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.
Webiny JS
Blogging · CMS · Ecommerce
Open-source, self-hosted CMS on AWS serverless — a TypeScript framework you extend with code, not a product you configure through a UI.
anytype-ts
Collaboration · Knowledge Management · Note Taking
A local-first, end-to-end encrypted knowledge OS that lets you build notes, tasks, wikis, and entire apps — with your data stored offline and synced peer-to-peer.
Apache Answer
Community
Open-source Q&A platform for communities, help centers, and knowledge bases with AI assistant and plugin extensibility
Artillery
Developer Tools · Devops
Cloud-scale load testing and functional testing for APIs, WebSockets, gRPC, and headless browsers, distributed across AWS Lambda or Fargate with zero infrastructure to manage.
Authgear
Authentication
Open-source, self-hostable authentication platform with passkeys, biometric login, SSO, MFA, and GraphQL admin API — a full Auth0/Clerk/Firebase alternative for SaaS and mobile apps.
Baserow
Databases · No Code Platforms
Open-source no-code platform to build databases, apps, automations, and AI agents — self-hosted or cloud, with full data ownership.
Cap
Team Chat · Video Conferencing
Open source Loom alternative with GPU-accelerated recording, instant share links, AI summaries, and full self-hosting via Docker Compose.
Cherry Studio
AI Assistants
All-in-one AI desktop client with 300+ assistants and multi-model support
Cozystack
Devops · Hosting Control Panel
Turn bare metal servers into a fully managed cloud platform with a single Kubernetes-native REST API.
Discourse
Community
Open-source community platform with dynamic trust levels, real-time chat, and a powerful plugin architecture for self-hosted forums.
Docmost
CMS · Collaboration · Note Taking
Self-hosted collaborative wiki and knowledge base with real-time editing, diagrams, AI assistance, and enterprise access controls — a modern alternative to Confluence and Notion.