All Open Source Apps
Every app scored on repo health, technical quality, and dependency risk — before you install anything.
Category
Sort:Health Score
CodeSandbox
Code Editors · Developer Tools
Instantly ready browser-based IDE that runs full npm dependency resolution and transpilation entirely client-side, with no server needed.
Superagent
AI Agents · Security
An open-source SDK that blocks prompt injections, redacts PII and secrets, scans repositories for AI-targeted attacks, and red-teams production agents.
AI Engineer Coach
Developer Tools
A VS Code extension that reads your local AI coding session logs and turns them into actionable insights — anti-pattern detection across 45 rules, output tracking by model and harness, and skill discovery, with no data leaving your machine.
Docglow
Data Engineering
A next-generation documentation site generator for dbt Core projects — lineage explorer, health scoring, and full-text search for teams without access to dbt Cloud's built-in docs features.
faved
Bookmarks Archiving · Knowledge Management · Note Taking
A private, self-hosted bookmark manager built for large collections—nested tags, PWA support, and zero cloud dependency.
flue
AI Agents · Developer Tools
Build autonomous AI agents and powerful workflows with a programmable TypeScript harness that gives any model sessions, tools, sandboxes, and durable execution.
Helicone
AI Development · Analytics · Monitoring
An open-source AI gateway and LLM observability platform that routes requests to 100+ models while logging cost, latency, and full traces for every call.
Mail-in-a-Box
Hosting Control Panel
Turn a fresh Ubuntu server into a fully configured, self-hosted email system in minutes — SMTP, IMAP, DNS, TLS, webmail, and spam filtering all pre-wired and ready to go.
Mistle
AI Agents · Developer Tools
Self-hostable platform for running autonomous coding agents in isolated, credentialless sandboxes with brokered credentials, reusable snapshots, and event-driven triggers.
Opslane
AI Agents · Developer Tools
Opslane's /verify plugin turns a pasted PM ticket into a browser-driven acceptance-criteria check inside Claude Code, screenshotting and video-recording every pass or fail before you push.
Fortress
Automation · Browser · Developer Tools
A stealth Chromium engine that corrects the browser fingerprint inside the C++ engine itself, so scrapers and browser agents stop getting blocked, with a 29-tool MCP server for AI agents.
highlight.io
Analytics · Developer Tools · Monitoring
Open-source full-stack monitoring that unifies session replay, error tracking, logging, and distributed tracing so you can stop context-switching between tools.
Llama Coder
AI Development · Low Code Platforms
Generate multi-file web apps from a single prompt using open-source LLMs — an open-source alternative to Claude Artifacts.
OpenCut
Design Tools · Social Media · Video Editors
Free, open-source video editor for web, desktop, and mobile — no watermarks, no subscriptions, built with a Rust core and plugin-first architecture
tilf
Design Tools · Game Development
Single-executable pixel art editor that starts instantly with no accounts, no setup, and no internet required.
reader
Data Engineering · Developer Tools
Production-grade open source web scraping engine that turns any URL into clean markdown for AI agents — with built-in anti-bot bypass, proxy rotation, and browser session management.
argilla
AI Development · Data Engineering
Collaborate on high-quality AI training data with a self-hosted annotation platform built for LLMs, NLP, and multimodal models.
Onlook
AI Design Tools · Design Tools
An open-source, AI-first visual editor that lets designers and developers build, style, and deploy React apps directly in code — no handoff required.
NewsNow
Bookmarks Archiving
Self-hostable news aggregator with an elegant column layout, GitHub OAuth, adaptive scraping intervals, and seamless Cloudflare D1 or SQLite persistence.
Rasa Open Source
AI Assistants · AI Development · Voice AI
Rasa Open Source is a Python machine learning framework for building contextual, multi-turn chatbots and voice assistants that understand natural language and maintain conversation state.
superlog
AI Agents · Monitoring
Open-source agentic observability that ingests OpenTelemetry signals, groups them into incidents, and deploys AI agents to investigate and fix your production bugs automatically.
WebVM
Developer Tools
Run a full Linux virtual machine entirely in your browser using WebAssembly — no server required.
Agents Observe
Developer Tools
A real-time, fully local observability dashboard for Claude Code and Codex agent sessions — filtering, search, session replay, and token/cost breakdowns via an auto-starting MCP server.
Foxel
File Storage
Self-hosted private cloud storage with AI semantic search and a pluggable multi-backend file management system.