Open Source CLI Tools
Discover 207 open source CLI repositories from GitHub, each with an analysis of what it does, key features, use cases and alternatives. CLI projects here are most often combined with Developer Tools, Python and AI Agents. Last updated October 3, 2026.
207 repositories · updated October 3, 2026
flyai-skill: Search Travel and Booking Options with AI Agents
FlyAI connects Claude Code, OpenClaw, and compatible agents to Fliggy travel search through a command-line tool. Use it to find flights, hotels, trains, attractions, and other travel services and receive structured results with booking links.
graphify: Turn Codebases into Queryable Knowledge Graphs
Graphify builds a queryable knowledge graph from code, documentation, schemas, and other project files. It helps developers and AI coding assistants explore relationships, trace paths, and understand codebases without relying on a vector store.
Task: A Modern, Cross-Platform Build Tool for Streamlined Workflows
Task is an open-source, cross-platform build tool inspired by Make, designed to simplify and automate modern development workflows. It allows developers to define and run tasks using a simple YAML configuration, offering a powerful and intuitive alternative to traditional build systems. Written in Go, Task ensures fast execution and broad compatibility across various operating systems.
waymore: Find and Download Archived URLs
waymore collects historical URLs from web archives and threat-intelligence sources, and can download archived responses for further analysis. It is aimed at security researchers and bug bounty hunters who value broad coverage over speed.
cruise: Manage Docker Containers in a Terminal UI
Cruise is a Go-based terminal interface for managing Docker containers and related artifacts. It suits developers who want interactive lifecycle controls, monitoring, and image vulnerability scanning without relying only on command-line flags.
freebuff: Use AI Coding Agents Across Your Workflow
Freebuff is a TypeScript project for accessing AI agents across the terminal, desktop, browser, and GitHub repositories. It combines specialized agents with a catalog of models, with free access supported by text ads and subject to regional and capacity limits.
stunner: Check Your NAT Type with STUN
Stunner is a Go command-line tool that compares STUN responses from multiple servers to estimate your NAT behavior. Use it to assess how readily devices behind your network may connect through hole punching.
tortoise.cpp: Generate Speech with Tortoise TTS in C++
tortoise.cpp is a C++ implementation of Tortoise TTS built on ggml for local text-to-speech generation. It supports CPU and CUDA builds, with Metal support described as in progress.
micro: Edit Text in a Modern Terminal
micro is a cross-platform terminal text editor designed to be approachable without sacrificing useful editing features. Its standalone binary, familiar shortcuts, mouse support, and Lua plugins suit terminal-first work and quick edits over SSH.
airo: Deploy Projects to Your Production VPS
Airo is a Go command-line tool for building Docker images locally and deploying them to a VPS over SSH or through a registry. It suits developers who want a simple, self-managed alternative to a larger platform or CI/CD setup.
trafilatura: Extract Text and Metadata from Web Pages
Trafilatura is a Python library and CLI for discovering web content and extracting readable text and metadata from HTML. It suits developers and researchers building crawlers, web corpora, or content-processing pipelines that need structured output.
claude-code-webui: Use Claude Code in a Web Chat Interface
Claude Code Web UI turns the Claude CLI into a browser-based chat interface with streaming responses, project selection, and conversation history. It is archived and no longer actively maintained, so treat it as a reference or fork it before relying on it.