Top DEV GitHub Repositories & Tools (2026)

The most comprehensive Claude Code guide: agentic workflows, hooks, skills, MCP servers, quizzes, and production-ready templates. 430K+ lines.

The first open-source harness builder for AI coding. Make AI coding deterministic and repeatable.

AI-native open-source alternative to Vercel + Sentry + PostHog + Pingdom + Resend + E2B. 440+ CLI operations with drop-in skills for Claude Code, Codex & OpenCode — deployments, analytics, session replay, error tracking, OpenTelemetry, email, sandboxes & AI gateway in one self-hosted Rust binary.

Who's working, who's waiting on you — grouped by project, each agent in its vendor's logo and colour. Worktrees nest under their repo, rows order by activity, idle sessions fade. Light and dark.

Programmable text utility that mac needs

Composio powers 1000+ toolkits, tool search, context management, authentication, and a sandboxed workbench to help you build AI agents that turn intent into action.

Awesome Jev: source-backed open-source ecosystem radar, plain-language project discovery, and automatic GitHub sync

Cloud Native Agentic AI | Discord: https://bit.ly/kagentdiscord

Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia

the development environment for pros

Headless control for Apple's Simulators — 3D models, taps, swipes, multi-finger gestures, 60 fps streaming, and a multi-device farm

Android Emulator for iOS

Self-hosted mission control for AI coding agents: run Claude Code, OpenCode, Pi, Codex, and Antigravity & Gemini CLI 24/7, from any device, watch every subagent live

Claude Code skill: hand bulk judgment calls to Jev. 86% fewer Claude tokens on a 12-task benchmark, up to 20x faster. One-line npx install.

The most popular Kubernetes Operator for PostgreSQL.

The ZAP by Checkmarx Core project

Your agent invents things because it has no memory, and can't touch your database because it has no arms. rsc is the meta-harness that gives it both, plus the trade to know the job and the reflexes to not break your repo. For Claude Code, Codex and 15 more.

🍺 Personal Homebrew tap for custom macOS formulas, CLI utilities, and developer scripts.

Microsoft Fluent UI Blazor components library. For use with ASP.NET Core Blazor applications

Free IDE for Kubernetes