Best CLI Utilities GitHub Repositories

Custom GeForce Now Client Named OpenNOW

Interactive architecture diagrams for codebases

Bash command line framework and CLI generator

OCI registry client - managing content like artifacts, images, packages

the terminal client for LLMs

Java language server

The best native proxy client for iOS, iPadOS, macOS, and tvOS.

🔥 HAPI FHIR - Java API for HL7 FHIR Clients and Servers

The ripgrep of AI context: a zero-dependency C++23 CLI + MCP server for coding agents. Find what you want without reading the repo, then check you built what you meant — blast radius, tests-to-run, quality deltas. Signatures at 74.7% fewer bytes than bodies; every guess labelled, every loss published. Paddle out with a map.

XMage - Magic Another Game Engine

Smithy is a protocol-agnostic interface definition language and set of tools for generating clients, servers, and documentation for any programming language.

Installer and automatic update framework for cross-platform desktop applications

Metering and Billing for AI, API and DevOps. Collect and aggregate millions of usage events in real-time and enable usage-based billing.

One Time Password (OTP) / 2FA for Node.js and Browser - Supports HOTP, TOTP and Google Authenticator

A 21 century R console

👾 Open Computer Use – Open-Source Alternative to Codex Computer Use

Ethereum .Net cross platform integration library

YTsaurus is a scalable and fault-tolerant open-source big data platform.

Performance Software for Cyclists, Runners, Triathletes and Coaches

A command-line tool for Stripe