Open Source Developer Tools Apps

Extract clean article content and rich metadata from any web page, delivered as HTML or Markdown with zero clutter.

A privacy-first, graph-based OSINT investigation platform with 30+ automated enrichers for mapping relationships between domains, IPs, people, and organizations.

A terminal-native agent multiplexer that runs Claude, Codex, Gemini, and other coding agents side by side in real, persistent panes you can detach from and reattach to from anywhere.

The official Lark/Feishu CLI tool built for both humans and AI agents, delivering 200+ commands and 26 AI agent skills across 18 business domains from messaging and calendar to docs, sheets, and approvals.

AI-powered file type detection that identifies 200+ content types with ~99% accuracy in milliseconds using a compact deep learning model.

A pure-C, zero-dependency inference engine that runs GLM-5.2's 744-billion-parameter mixture-of-experts model on consumer hardware with roughly 25GB of RAM by streaming experts from disk like a JIT compiler stages hot code.

Fast, native, feature-rich terminal emulator with GPU acceleration and an embeddable libghostty library for building custom terminals

A lightweight, stealthy headless browser written in Rust — drop-in compatible with Puppeteer and Playwright, built for AI agents and web scraping at scale.

Free, open-source screen recorder and editor for macOS, Windows, and Linux that auto-adds zooms, cursor polish, webcam overlays, and styled frames to your screen captures without any motion-design skills.

Open-source desktop SQL workspace with built-in PostgreSQL, MySQL, and SQLite drivers, SQL notebooks, a visual query builder, and a built-in MCP server for AI agents like Claude and Cursor.

Instant, concurrent, hardware-isolated MicroVM sandboxes for AI agents — E2B-API compatible, sub-60ms cold starts, and a built-in zero-trust egress proxy, all self-hostable at scale.

Self-hosted database backup manager with a web UI for scheduling, encrypting, and restoring MySQL, PostgreSQL, MongoDB, SQL Server, SQLite, Firebird, and Redis to S3, SFTP, Samba, or local storage.

Define AI agent workflows as code graphs, route tasks across any LLM, and intervene only where it matters.

Drag-and-drop visual builder for AI agents, RAG pipelines, and multi-agent systems—deploy anywhere in minutes.

Infracost shows cloud cost estimates for Terraform, CloudFormation, and AWS CDK before you deploy — in your terminal, editor, AI coding agent, and pull requests.