Top CODE GitHub Repositories & Tools (2026)

Opcode calculator / ASM calculator

Run coding agents without babysitting them. Keep jobs focused, bounded, checked and accountable from start to finish. Finally run your agents swarms overnight and get your time back.

Reusable workflows for planning, building, reviewing, and shipping with Claude Code and Codex.

LittleHorse Server: Business-as-Code Platform for Microservices, Workflows, and Agents

Network Sketcher is an AI-ready network design tool with Local MCP, Online, and Offline editions for creating network designs and exporting PowerPoint diagrams and Excel-based configuration data.

ADE( Agentic Development Environment) The spec-driven environment for AI coding agents, where your planning becomes lasting, shared project context.

Design automation software tools for Topological Quantum Error Correction

Convertigo is an Ai powered open source Enterprise Low Code platform including a No Code Application builder for full-stack mobile and web application development

Open-source workspace manager for AI coding CLIs: Claude Code and ChatGPT Codex in one browser app. Discovers every session on disk, embedded terminals, phone-ready, cost tracking, kanban, docs. Windows, macOS, Linux.

finite element analysis package for civil engineering structures.

Open source agentic SAST. The engine behind hundreds of disclosed zero-days. 100+ AI security agents, any repo or PR diff, bring your own model.

Ready to Deploy Fullstack OpenSource Agentic Apps

TTT Editor (Terminal Text Tool): A real alternative to VS Code, Zed, and Sublime that runs in your terminal. A TUI that feels like GUI. Single binary, zero config.

A curated list of the best awesome AI plugins for AI assistants including Claude Code, OpenAI Codex / ChatGPT, Gemini, Antigravity, Pi / Oh My Pi, Grok, OpenCode and More. https://hol.org/plugins

Open-source AI pair programming for desktop: a Mentor + Executor agent cross-check each other's code to catch AI hallucinations. Works with Claude Code, Codex, Gemini & opencode. macOS / Windows / Linux.

Unified Agent Gateway — Enables Claude Code CLI and Cursor IDE to use free AI backends (Antigravity, Codex) through protocol translation

Connect to MongoDB and Atlas and directly from your VS Code environment, navigate your databases and collections, inspect your schema and use playgrounds to prototype queries and aggregations.

AI-writing humanizer for KO/EN/ZH/JA

CLI tool for quick size measure of PHP project, used PHP features and more. Zero dependencies. Runs anywhere

One dashboard for all your local AI coding agents. Switch providers, manage sessions, and orchestrate tasks across Codex, Claude Code, Gemini CLI, CodeBuddy Code, Pi, OpenCode, KiloCode, and OpenClaw. Zero cloud, local-first control plane.