All Open Source Apps

Open source, self-hostable authentication platform with passkeys, SAML SSO, and OAuth — the privacy-first alternative to Auth0 and Clerk.

A unified open source DevOps platform combining Git hosting, CI/CD pipelines, cloud development environments, and artifact registries in a single self-hosted system.

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.

Federated, self-hosted Reddit alternative with full community ownership and no corporate control.

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.

Lightning-fast hybrid search engine with AI-powered semantic and full-text retrieval for modern applications.

Open-source game backend server with built-in multiplayer, matchmaking, leaderboards, chat, authentication, and storage — deploy anywhere via Docker or binary.

Send push notifications to your phone or desktop from any script or service using a single HTTP PUT or POST—no sign-up required.

OpenAI's open-source CLI coding agent that reads, edits, and runs code in your terminal using natural language prompts.

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.

Open Source realtime backend in 1 file — embedded SQLite, auth, file storage, and admin UI as a single Go binary.

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.

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.

All-in-one secure mail and collaboration server covering IMAP, JMAP, SMTP, CalDAV, CardDAV, and WebDAV in a single memory-safe Rust binary.

Open-source agentic security automation platform that runs AI agents and durable workflows at scale with sandboxed execution.

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.

Privacy-first, opinionated feed reader built for speed and control—no bloat, no trackers, no JavaScript overhead.

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.

Self-hosted WakaTime-compatible coding statistics backend that gives developers full control over their coding activity data.

An open source AI-native proxy that secures, observes, and governs agent-to-LLM, agent-to-tool, and agent-to-agent communication through MCP, A2A, and unified LLM routing.

Self-hosted web archiving that saves HTML, PDFs, screenshots, media, and code in open formats you own forever

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.

The open-source, self-hosted status page system that keeps your users informed during outages and maintenance windows.

eBPF-powered observability with AI root cause analysis — zero code changes required, full-stack visibility out of the box.