All Open Source Apps
Every app scored on repo health, technical quality, and dependency risk — before you install anything.
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Discourse
Community
Open-source community platform with dynamic trust levels, real-time chat, and a powerful plugin architecture for self-hosted forums.
Fider
Customer Support · Product Management
Open-source feedback portal where customers submit, vote on, and track feature requests so product teams build what actually matters.
Fizzy
Product Management · Project Management
A fast, free, and focused Kanban tool from 37signals that strips away corporate bloat to help teams track bugs, issues, and ideas with clarity.
GitButler
AI Development · Developer Tools · Devops
Git, but better — a modern version control client with stacked branches, parallel workflows, unlimited undo, and first-class support for AI-powered development.
Gotify
Developer Tools · Monitoring
A lightweight, self-hosted push notification server that sends and receives messages in real time over WebSocket, with a sleek web UI and a native Go plugin system.
Hanko
Authentication · Security
Open source, self-hostable authentication platform with passkeys, SAML SSO, and OAuth — the privacy-first alternative to Auth0 and Clerk.
Harness Open Source
Code Editors · Developer Tools · Devops
A unified open source DevOps platform combining Git hosting, CI/CD pipelines, cloud development environments, and artifact registries in a single self-hosted system.
Jan
AI Assistants
Run LLMs 100% locally with full privacy, or connect to cloud AI — your machine, your data, your control.
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.
Lemmy
Community · Social Media
Federated, self-hosted Reddit alternative with full community ownership and no corporate control.
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.
Meilisearch
Search
Lightning-fast hybrid search engine with AI-powered semantic and full-text retrieval for modern applications.
Nakama
Developer Tools · Game Development
Open-source game backend server with built-in multiplayer, matchmaking, leaderboards, chat, authentication, and storage — deploy anywhere via Docker or binary.
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.
codex
AI Code Assistants · Developer Tools
OpenAI's open-source CLI coding agent that reads, edits, and runs code in your terminal using natural language prompts.
ParadeDB
Analytics · Databases · Search
Born out of Y Combinator's S2023 batch, ParadeDB is a Postgres extension that delivers Elasticsearch-quality BM25 search and real-time analytics without a separate search cluster to manage.
PocketBase
Authentication · Databases · Ecommerce
Open Source realtime backend in 1 file — embedded SQLite, auth, file storage, and admin UI as a single Go binary.
Skyvern
AI Agents · Automation
Skyvern (YC S2023) automates browser-based workflows by pairing LLMs with computer vision, letting agents click, fill, and extract data on sites they've never seen, without brittle XPath selectors that break on every layout change.
SpiceDB
Authentication · Databases · Security
An open source, Google Zanzibar-inspired authorization database that models permissions as relationships and evaluates fine-grained access checks at massive scale with single-digit millisecond latency.
Stalwart
Collaboration
All-in-one secure mail and collaboration server covering IMAP, JMAP, SMTP, CalDAV, CardDAV, and WebDAV in a single memory-safe Rust binary.
Tracecat
AI Agents · Automation · Security
Open-source agentic security automation platform that runs AI agents and durable workflows at scale with sandboxed execution.
Unsloth
AI Assistants · AI Development
Run and fine-tune LLMs, diffusion, audio and embedding models on your own hardware, from a native desktop app, a browser UI, or a Python library.
Miniflux
Bookmarks Archiving
Privacy-first, opinionated feed reader built for speed and control—no bloat, no trackers, no JavaScript overhead.
Vaultwarden
Password Manager · Security
Unofficial Bitwarden-compatible server in Rust — run the full Bitwarden ecosystem on a Raspberry Pi using every official client you already have, without the multi-container overhead.