Open source. Open possibilities.

tldr-pages is a community-maintained collection of simplified, practical help pages and cheatsheets for thousands of command-line tools, offering an approachable alternative to traditional man pages.

A command-line tool to browse, stream, and download anime. It supports solo and synchronized watching with friends across multiple operating systems.

asdf is a CLI tool that manages multiple language runtime versions using a single interface and a plugin-based system.

A pure-Go shell parser, formatter and interpreter supporting POSIX Shell, Bash, Zsh and mksh, best known for the shfmt formatting tool.

Trail Boss is an attention router for developers running multiple interactive AI coding CLI sessions in tmux. It queues blocked sessions using Claude Code hooks or a fallback tmux detector, then provides a Go TUI to jump to or skip each one from one dashboard.

CWSP-shell is a cross-platform launcher and Speed Dial for Android (Capacitor), Chrome (via CWSP-crx), and PWA. It supports multiple desktops, widgets, drag-and-drop, tile and icon customization, and an App Menu for application management.

zx is a tool for writing scripts using JavaScript, providing cross-platform wrappers around child_process with argument escaping and sensible defaults.

Nerd Fonts patches developer fonts with thousands of icons from popular sets like Font Awesome, Octicons, and Devicons. It provides 67 pre-patched font families and a tool to patch custom fonts.

jrnl is a simple command-line journal application for creating, searching, and viewing journal entries stored as plain text.

Warp is an open-source agentic development environment built around the terminal. It includes a built-in coding agent, supports external CLI agents, and provides Warp Factories for automated development workflows with community contribution guidance.

pyenv is a simple, unobtrusive Python version management tool that allows users to easily switch between multiple versions of Python on a per-user, per-project, or global basis.

acme.sh is a pure Unix shell ACME protocol client that automates issuing, renewing and installing SSL/TLS certificates from CAs like ZeroSSL and Let's Encrypt, with no Python dependency and support for many DNS APIs and web servers.

Mole is a free, open-source Mac system toolkit available as both a CLI tool and a native Mac app, offering deep cleaning, smart app uninstallation, disk analysis, system optimization, and real-time system monitoring to help users maintain their Macs.

Nushell is a modern, cross-platform shell that treats data as structured content rather than raw text streams.

Typer is a library for building CLI applications based on Python type hints, designed for ease of use for both developers and end-users.

ShellCheck is a GPLv3 static analysis tool for bash/sh shell scripts that flags syntax issues, semantic problems, and portability pitfalls. It runs in terminals, editors, and CI pipelines, with output formats including JSON, CheckStyle XML, and GCC-compatible warnings.

A neon vector arcade rewrite of Asteroids designed as a collaborative, evolving game where developers contribute new mechanics and hazards via pull requests.

A command-line productivity tool powered by AI LLMs. It generates shell commands, code snippets, and documentation, supports chat/REPL modes, custom roles, and function calling. Compatible with Linux, macOS, and Windows.

Git is a fast, scalable, distributed revision control system providing a rich command set for high-level operations and internal access.

Shescape is a lightweight JavaScript library for escaping user input to prevent shell injection. It supports Bash, PowerShell, cmd.exe, and other major shells on macOS, Linux, and Windows.