Open Source Developer Tools Apps

Self-hosted PHP URL shortener with a full REST API, dynamic redirect rules, and real-time visit analytics under your own domain.

An open source inference engine that profiles your hardware, recommends the best local models, and tunes them for the coding agent you already use.

Turn natural language into professional draw.io diagrams with AI, cloud icons, and an MCP server for your IDE.

Preview and interact with your responsive web design across every device size simultaneously — no more manual resizing.

Self-hostable open source email platform built on Amazon SES with a full dashboard, SMTP relay, REST API, and multi-language SDKs.

A native, Rust-built control plane that runs and steers Claude Code, Codex, Cursor, Devin, and other coding agents from any device, locally by default with optional CRDT-synced multi-device control.

Self-hosted agile project management backend with Scrum, Kanban, issue tracking, and a full REST API — built on Django and PostgreSQL.

A native macOS, Windows, and Linux database IDE for PostgreSQL, MySQL, SQLite, Redis, MongoDB, SQL Server, and ClickHouse, with a built-in MCP server and AI chat that reads your schema.

Open-source analytics for Claude Code and Codex sessions — a CLI uploads session transcripts to a self-hostable dashboard tracking token usage, session duration, activity patterns, and model usage.

Self-hosted engine for AI app-builder products: give every user an isolated sandbox, a built-in coding agent, and a live preview URL — one command, no Kubernetes.

An open-source CLI that scans your entire website with Google Lighthouse, using smart sampling and a modern dashboard UI to audit every page instead of one URL at a time.

Like htop, but for your AI coding agents — monitor Claude Code, Codex CLI, and OpenCode sessions, tokens, context windows, rate limits, and orphan ports all from one terminal screen.

Run Terraform and OpenTofu natively inside your existing CI pipeline — no separate runners, no third-party secrets, no extra compute costs.

An open-source sandbox for developing and testing React and React Native UI components in isolation, with pluggable bundler support for Vite and Webpack.

High-performance job queue for Bun — SQLite persistence, cron scheduling, DLQ, S3 backups, and a native MCP server, all without Redis.