Open Source CLI Tools
Discover 284 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, AI Agents and Python. Last updated October 4, 2026.
284 repositories · updated October 4, 2026
conda: Manage Packages and Isolated Environments
Conda is a cross-platform package manager for installing binary packages and creating isolated environments. It suits developers and researchers who need reproducible setups across languages, including packages with non-Python dependencies.
zellij: Organize Terminal Work in a Multiplexer
Zellij is a Rust-based terminal workspace for keeping shells and applications organized in panes and tabs. It suits developers and operations teams who want a customizable terminal multiplexer with layouts, collaboration, and WebAssembly plugins.
f2: Batch Rename Files and Directories Safely
F2 is a cross-platform Go command-line tool for previewing and applying batch renames to files and directories. It suits people managing large file collections who need flexible naming rules and safeguards against conflicts.
gitingest: Turn Git Repositories into LLM-Ready Text
Gitingest packages a Git repository or local directory into a structured text digest designed to provide code context to language models. Use it from the command line, Python, a browser extension, or its hosted web app.
nnn: Browse and Manage Files in the Terminal
nnn is a small, fast terminal file manager for navigating, searching, and managing files without leaving the command line. It suits users who want keyboard-driven workflows, optional plugins, and support across multiple platforms.
domain-scanner: Check Domain Name Availability
A Go command-line tool that generates domain names from patterns or word lists and checks whether they appear registered. It suits developers and domain researchers who need configurable scans, filtering, and verification across registration signals.
thefuck: Correct Failed Shell Commands
The Fuck suggests corrected versions of failed console commands, from typos to common Git and permission errors. It is a Python command-line tool for shell users who want quick, reviewable fixes without retyping commands.
parakeet-mlx: Transcribe Audio on Apple Silicon
parakeet-mlx runs Nvidia Parakeet speech recognition models on Apple Silicon using MLX. It provides command-line and Python interfaces for transcription, timestamps, chunking, and streaming audio.
uncloud: Deploy Container Apps Across Your Servers
Uncloud deploys Docker and Compose applications across cloud VMs and bare-metal hosts using a peer-to-peer cluster, without Kubernetes or Swarm. It suits developers who want self-hosted infrastructure with built-in networking, service discovery, and HTTPS.
mypy: Check Python Types Without Running Your Code
mypy is a static type checker that finds type-related issues in Python code before it runs. Add type hints incrementally, then use mypy locally or in a development workflow to catch mistakes and make code easier to maintain.
microsandbox: Run Untrusted Workloads in Local MicroVMs
Microsandbox runs untrusted code in local microVMs and provides a CLI and SDKs for managing isolated workloads. It suits developers and agent builders who need disposable, programmable sandboxes without a separate infrastructure service.
difftastic: Compare Code by Its Syntax
Difftastic is a structural diff tool that compares source files according to their syntax instead of only comparing lines. It helps developers review code changes across formatting shifts, with line-based fallback when parsing fails.