Top CLI GitHub Repositories & Tools (2026)

Multi-agent harness that runs Claude Code and Codex together as one system

🎑Feature-rich terminal-based text viewer. It is a so-called terminal pager.

🍙 A personal AI agent & local memory hub for all AI agents, gives every AI one shared, fully controlled memory and persistent context — all AI remember the same you. Now supports Claude Code, Codex, OpenClaw and Hermes Agent etc.

Terminal API client for HTTP, GraphQL and gRPC. Plain .http files you can diff and version, with workflows, mocks, profiling, tracing, OpenAPI import, SSH tunnels, Kubernetes port-forwards, WebSocket, SSE and a CLI runner.

The official command line client for Cloud Foundry

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

High-level Elasticsearch Ruby framework based on the official elasticsearch-ruby client

Elixir plugin for JetBrain's IntelliJ Platform (including Rubymine)

Easy to use OpenID Connect client and server library written for Go and certified by the OpenID Foundation

One-stop shop for building AI-powered products and businesses with Stripe.

OwnTracks Android App

This repo contains the client-oriented WCF libraries that enable applications built on .NET Core to communicate with WCF services.

Clipboard optimizer for macOS

Add object detection, tracking, mobile notifications, and search to any security camera.

A robust, high-performance execution client for Ethereum node operators.

The cross-harness self-improving memory layer for AI agents.

Ruby/ProgressBar is a text progress bar library for Ruby.

OpenEMS - Open Source Energy Management System

🌊 Julia software for fast, friendly, flexible, ocean-flavored fluid dynamics on CPUs and GPUs

Self-hosted SERP API for AI, SEO & automation. Browser-rendered Google, Bing, Yandex, Baidu, DuckDuckGo and Ecosia search with page extraction 🎉