Top DEV GitHub Repositories & Tools (2026)

Continuous Profiling Platform. Debug performance issues down to a single line of code

Next-gen browser and mobile automation test framework for Node.js

Debugbar for Laravel (Integrates PHP Debug Bar)

Prevent cloud misconfigurations and find vulnerabilities during build-time in infrastructure as code, container images and open source packages with Checkov by Bridgecrew.

Matter (formerly Project CHIP) creates more connections between more objects, simplifying development for manufacturers and increasing compatibility for consumers, guided by the Connectivity Standards Alliance.

Giving Kubernetes Superpowers to everyone

Stride (formerly Xenko), a free and open-source cross-platform C# game engine.

Open source factory for one-shot engineering

Codebase intelligence for AI and humans: code health scores, auto-generated docs, git analytics, dead code detection, and architectural decisions via MCP.

A free, open-source developer workspace. Snippets, notes, HTTP requests, calculations, and dev tools in one local-first app.

Gemma 4 26B-A4B inference in ~2 GB of RAM on any M-series MacBook

LiteRT-LM is Google's production-ready, high-performance, open-source inference framework for deploying Large Language Models on edge devices.

Agent OS: the agent gets smarter on its own. We just hold the line: Interview-gated, staged evaluation, budgeted evolution loop. MCP server, 14 runtimes: Claude Code, Codex CLI, Gemini CLI, OpenCode, Copilot, Kiro and more.

:mailbox: SMTP Server + Web Interface for viewing and testing emails during development.

Quick and Easy server testing/validation

The cross-browser extension framework.

Enterprise-Grade Continuous Delivery & DevOps Automation Open Source Platform

AI You Control: Choose your models. Own your data. Eliminate vendor lock-in.

A solution for implementing efficient and consistent software delivery to Kubernetes facilitating best practices.

📊 A minimalist, self-hosted WakaTime-compatible backend for coding statistics