All Open Source Apps

Turn your paper pile into a searchable digital archive with OCR, AI classification, and automated workflows — all running on your own server.

A decentralized, self-hosted photo sharing platform built on ActivityPub for the open Fediverse.

An open-source, horizontally scalable continuous profiling platform that pinpoints CPU, memory, and I/O bottlenecks down to the exact line of code, built by Grafana Labs alongside Loki, Tempo, and Mimir.

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.

An open-source developer platform for API infrastructure — issue and verify API keys, enforce global rate limits, route traffic through a gateway, and get per-key analytics and audit logs.

Open-source vector database combining semantic search, hybrid queries, RAG, and image search in a single cloud-native system built for production scale.

Turn scripts into webhooks, workflows, and auto-generated UIs — the fastest self-hostable workflow engine, 13x faster than Airflow.

Open-source Q&A platform for communities, help centers, and knowledge bases with AI assistant and plugin extensibility

The SQL database you can branch, merge, diff, and clone — Git for your data, MySQL-compatible and ready for multi-agent AI workflows.

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.

Git-native feature flag platform that stores, versions, and deploys feature toggles directly in your own Git repositories with no external database required.

Open-source cron job and background task monitoring that alerts you when your scheduled jobs go silent.

Run LLMs 100% locally with full privacy, or connect to cloud AI — your machine, your data, your control.

Free, open-source Laravel & Vue.js CRM for SMEs and enterprises to manage the complete customer lifecycle.

Open-source, embedded vector database built on the Lance columnar format for fast multimodal search across billions of vectors, backed by Y Combinator (W23).

Build, test, and deploy AI agents and RAG workflows visually with native API and MCP server export.

Project management built for ADHD, autism, and dyslexia — simple as Trello, powerful as Jira

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

Run Llama, Gemma, DeepSeek, and other open LLMs on your own machine with one command and an OpenAI-compatible API.

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

Self-hosted, end-to-end encrypted password manager API built for teams who demand full ownership of their credentials.

Open-source AI observability platform for tracing, evaluating, and debugging LLM applications with built-in intelligence and MCP support.

Open source payments infrastructure that turns software into a business — subscriptions, usage-based billing, digital products, and merchant-of-record compliance in one platform.

Open-source authentication platform you self-host, giving you complete control over user data with zero vendor lock-in.