Top DEV GitHub Repositories & Tools (2026)

Murder is a pixel art ECS game engine.

The Swiss Army Knife of Offline AI. Chat, see, speak, and generate images on your phone or Mac — GGUF LLMs, vision, Whisper speech-to-text, Stable Diffusion, tool calling, and local-network servers. Runs on your CPU, GPU, or NPU. No account, no API key, zero data leaves your device.

Client Side Validations made easy for Ruby on Rails

An invitation strategy for devise

An agent workbench for ongoing work: preserve goals and progress, connect events and schedules, and resume when the next condition is met.

A development middleware for webpack

You're the boss, agents are your team. They handle tasks on their own, message each other, and review each other's work. You just watch the kanban board and give high-level commands. Codex/Claude/OpenCode/Cursor/Grok/GitHub/Kiro/Z.AI/Xiaomi/MiniMax/Kimi(300+ models, 200+ LLM providers, free models no auth) Build your AI company with multiple teams

Bulk domain availability checking via RDAP, DNS, and WHOIS, with prefix/suffix permutations, regex patterns, MCP, and multiple output formats

Local speech-to-text for macOS on-device AI, fully private, optional cloud

High-performance code-intelligence engine for AI agents and IDE, supports 257 languages, multi repositories, based on graph, with access via CLI, MCP Server, and API. AI coding agents teammate - expose only needed information, cutting token usage up to 50x. 100% local. Discord: https://discord.gg/39MFHu3J5d

Open-source policy engine that blocks bad AWS spending patterns before they ship and remediates what's already burning.

The CVE Binary Tool helps you determine if your system includes known vulnerabilities. You can scan binaries for over 350 common, vulnerable components (openssl, libpng, libxml2, expat and others), or if you know the components used, you can get a list of known vulnerabilities associated with an SBOM or a list of components and versions.

An extensible and friendly code review tool for projects and companies of all sizes.

Docker Compose Continuous Deployment

Rusty wrapper for the Unified Extensible Firmware Interface (UEFI). This crate makes it easy to develop Rust software that leverages safe, convenient, and performant abstractions for UEFI functionality.

Rednex Game Boy Development System - An assembly toolchain for the Nintendo Game Boy and Game Boy Color

The control plane for AI coding agents.

MCP server for controlling a real iPhone via macOS iPhone Mirroring...and any MacOs app. Screenshot, tap, swipe, type — from any MCP client.

Pixel art editor made with Zig

🔪Swiss-army knife for Android testing and development 🔪 ⛺