Top DEVELOPER-TOOLS GitHub Repositories & Tools (2026)

Detect breaking changes between OpenAPI 3.0/3.1 specs. Explainable Web UI, CLI and CI gate; local-first and deterministic, with optional AI summaries.

The ultimate RAG for your monorepo. Query, understand, and edit multi-language codebases with the power of AI and knowledge graphs

An unofficial local visualizer for Jev (TypeSafe): a live view of every call your code makes. Not affiliated with TypeSafe AI.

Find where your keyboard shortcuts clash. A free, open-source macOS menu bar app that detects shortcut conflicts across apps, config tools, and system settings.

The only browser automation that bypasses anti-bot systems. AI writes network hooks, clones UIs pixel-perfect via simple chat.

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

Stop letting AI code blind. Map the architecture before every change with Birdview.

Refine high-quality datasets and visual AI models

Open-source desktop and web app for Meta's Muse Code CLI. Runs Muse natively on Windows, macOS and WSL2, with a file viewer, inline diffs, approvals and signed auto-updating installers.

A pre-execution guard for AI coding agents. It blocks destructive Git and file system commands, plus common attempts to access sensitive files, before a tool call runs. Supports Amp Code, Antigravity CLI, Claude Code, Codex, Cursor, Gemini CLI, GitHub Copilot CLI, Grok Build, Hermes Agent, Kimi Code, OpenClaw, OpenCode, and Pi.

Local-first agent platform: board + role agents + agent CLI runs (Claude Code, Cursor, Antigravity, OpenCode) or local and API models (Ollama, LM Studio), all on your own Mac

LeanCTX — Context Intelligence for AI systems.

lnwjud — local AI-agent runtime & MCP gateway

A native macOS terminal app built on Ghostty for running and supervising coding agents

Terragrunt is a flexible orchestration tool that allows Infrastructure as Code written in OpenTofu/Terraform to scale.

Free, open-source Mac app that finds what Docker, node_modules, old IDEs and duplicate files leave behind.

Laminar - open-source observability platform purpose-built for AI agents. YC S24.

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.

Let your AI coding sessions talk to each other. Coordinate parallel work, exchange reviews, and hand off unfinished work between Claude Code, Codex, and other supported clients. Local-first. Independent sessions.

Every API has a secret identity. This finds it, absorbs every feature from every competing tool, then builds the GOAT CLI — designed for AI agents first, with SQLite sync, offline search, and compound insight commands.