Best Dev Tools GitHub Repositories

Visualize any GitHub codebase: free interactive architecture diagrams and one-minute explainer videos. Replace 'hub' with 'diagram' in any GitHub URL.

Computer Vision Annotation Tool (CVAT) is a leading platform for building high-quality visual datasets for vision AI. It offers open-source, cloud, and enterprise products, as well as labeling services, for image, video, and 3D annotation with AI-assisted labeling, quality assurance, team collaboration, analytics, and developer APIs.

Universal provider proxy for OpenAI Codex & Claude Code — use any LLM (Claude, Gemini, Grok, DeepSeek, Ollama…) with Codex CLI, App, SDK, and Claude Code

MCP Toolbox for Databases is an open source MCP server for databases.

⚡A CLI tool for code structural search, lint and rewriting. Written in Rust

Offline, privacy-first grammar checker. Fast, open-source, Rust-powered

The Privacy First PDF Toolkit

Style and Grammar Checker for 25+ Languages

🖼️ Image Toolbox is a powerful app for advanced image manipulation. It offers dozens of features, from basic tools like crop and draw to filters, OCR, and a wide range of image processing options

A toolkit for making real world machine learning and data analysis applications in C++

Open-source web application framework for ASP.NET Core! Offers an opinionated architecture to build enterprise software solutions with best practices on top of the .NET. Provides the fundamental infrastructure, cross-cutting-concern implementations, startup templates, application modules, UI themes, tooling and documentation.

Modern UI and powerful API for Ansible, Terraform/OpenTofu/Terragrunt, PowerShell and other DevOps tools.

PHP Static Analysis Tool - discover bugs in your code without running it!

Open-source, secure environment with real-world tools for enterprise-grade agents.

A lightweight, cryptography-powered, open-source toolkit built to enforce Zero Trust security for infrastructure, applications, and data in the AI-driven world.

Graph-Native Infrastructure for Context and Accountable AI Systems

A deployment automation tool built on Ruby, Rake, and SSH.

All parts of Claude Code's system prompt, 27 builtin tool descriptions, sub agent prompts (Plan/Explore/Task), utility prompts (CLAUDE.md, compact, statusline, magic docs, WebFetch, Bash cmd, security review, agent creation). Updated for each Claude Code version.

The Database Toolkit for Python

The ultimate training toolkit for finetuning diffusion models