Top CLI GitHub Repositories & Tools (2026)

🚀 The fast, Pythonic way to build MCP servers and clients.

GitHub’s official command line tool

A terminal for a more modern age

List of agent orchestrators

Claude Code multi-account manager, usage monitor (CLI, TUI & MCP cross-account delegation)

Open-source mobile SSH/Mosh terminal and native AI workspace for Android and iOS.

A Commander for modern Go CLI interactions

The first open-source harness builder for AI coding. Make AI coding deterministic and repeatable.

Leantime is a goals focused project management system for non-project managers. Building with ADHD, Autism, and dyslexia in mind.

A cat(1) clone with wings.

the development environment for pros

Customer-run client for Secure MCP Tunnel: connect private or localhost MCP servers to ChatGPT, Codex, the Responses API, and AgentKit without exposing them to the public internet.

Programmable text utility that mac needs

AI video processing pipeline for generating vertical shorts using LLMs, Whisper transcription, highlight detection and automated editing

Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia

A declarative, simple, fast, and fun package for building command line tools in Go

Coverage, security and code quality for coding agents

Headless control for Apple's Simulators — 3D models, taps, swipes, multi-finger gestures, 60 fps streaming, and a multi-device farm

ZapFast: a fast, native WhatsApp client in Rust and egui

grep, but the pattern is a description. Filters lines by meaning with TypeSafe's Jev decision model: ~200 ms and a thousandth of a cent per line.