Top DEVELOPER-TOOLS GitHub Repositories & Tools (2026)

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

CLI for managing Dynatrace platform resources - built for humans and AI agents alike

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

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

The control plane for AI coding agents.

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

AI Chat with powerful models for free

Monorepo for the Intent platform — tracks intentd, cloudlands-fe, and ios as submodules; docs, CI, and release orchestration

Gentle Shell is a Pi-native coding-agent harness for controlled development with Organic Driven Development, optional SDD/OpenSpec, subagents, TDD evidence, review guardrails, skills, and memory integrations.

Intelligent cloud testing made easy.

Free up your Mac, safely. Clears the cache and junk it piles up on its own. Open source, and everything goes to the Trash, so nothing is ever lost.

Open-source, self-hosted AI app builder — an agent builds real apps in isolated sandboxes on your own server, each live at a preview URL. Self-host in one command. MIT.

Community edition of RepoPrompt: a native macOS context engineering app for AI coding agents, with an MCP CLI.

Simulate API failures, throttling, and chaos — all from your command line.

Web UI for Pi Coding Agent that keeps sessions alive in real workspaces.

Native-session control plane for Codex, Claude Code, OpenCode, OMP and PI. Run, resume and hand off coding sessions across your machines.

A multi-project AI CLI workspace for local terminals, SSH hosts, and mobile-assisted workflows

Local-first 3-in-1 AI memory layer & MCP server for Claude Code, Codex, Grok, Gemini, VS Code and Cursor. Fuses session history, codebase indexing & concept graphs in SQLite. Enables zero-cloud, privacy-first context & instant recall, supports multi-agent swarms.

A tiny macOS app that turns Caps Lock into a physical keep-awake switch for closed-lid MacBook work.

Development workflows for Claude Code that keep broad exploration focused on the outcome you approved.