All Open Source Apps

Git, but better — a modern version control client with stacked branches, parallel workflows, unlimited undo, and first-class support for AI-powered development.

The pioneering open-source autonomous AI agent that conducts deep, multi-source research and produces citation-backed reports exceeding 2,000 words — faster and more reliably than any human researcher.

Self-hosted event ticketing platform that keeps your attendee data, brand, and revenue completely under your control.

Open-source LMS with AI tutoring, real-time collaboration boards, live code execution, and built-in course monetization — self-hosted in minutes.

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

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

Build unlimited, embeddable forms with no code — powered by AI, logic rules, and real-time analytics

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.

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.

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

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

The batteries-included Python agent harness — planning, sub-agents, filesystem, shell, memory, and skills bundled in, built on LangGraph.

Open-source collaborative knowledge platform with real-time editing, AI writing tools, and full self-hosting control — built by the French and German governments.

Open source document signing platform with WYSIWYG PDF builder, multi-party workflows, REST API, and full self-hosting via Docker.

Self-host your own Google Analytics alternative with heatmaps, session recordings, and full data ownership — no cloud required.

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.

The open-source API layer that turns local LLMs into production private AI applications with full Claude API compatibility

Cloud-native search engine for logs and traces, delivering sub-second search directly on S3, GCS, or Azure Blob storage at a fraction of Elasticsearch's cost.

Embedded KV store built on object storage with zero replication cost

Fast, lightweight, schema-less search backend in Rust — microsecond queries, 30MB RAM, no document storage required.

The open-source, unlimited NotebookLM alternative with real-time collaboration, a desktop app, and no vendor lock-in.