Open-source alternatives to Cleo

Docopt is a command-line argument parser and declarative interface tool that converts raw terminal input into a structured data map. It derives its parsing logic and requirements directly from a standardized POSIX-style help message, using the documentation as the formal specification for the interface. The system implements a POSIX usage pattern parser to translate human-readable help strings into rules for extracting options and positional arguments. It automatically generates help screens and version information based on the internal usage patterns defined by the user. The tool ensures a

A Python module for common interactive command line user interfaces

The complete solution for Ruby command-line executables

Command line for your projects

Make awesome command-line applications the easy way

General purpose Command Line Interface (CLI) framework for Ruby

Clize

A thin, practical wrapper around terminal capabilities in Python

This project is a Python framework for building command-line interfaces by converting standard functions into executable programs. It uses type hints to automatically infer and generate argument parsers, validation logic, and help documentation, allowing developers to define complex terminal applications through simple function signatures. The framework distinguishes itself through a decorator-driven registration system that enables the construction of hierarchical command trees. It supports dependency injection to manage shared state and runtime configuration across subcommands, and it utili

plac is a Python package that can generate command line parameters from function signatures.

docopt-ng is a fork of the original docopt, now maintained by the jazzband project. Now with maintenance, typehints, and complete test coverage!

python-prompt-toolkit is a Python library and terminal user interface framework used for building interactive command line interfaces. It provides a toolkit for constructing complex terminal applications with advanced input handling and layout management. The project features a real-time syntax highlighting engine and a rendering system that ensures correct alignment and display of double-width Unicode characters. It includes specialized capabilities for command line autocompletion, providing ghost text suggestions and searchable input history. The framework covers a broad range of interface

Python Command-line Application Tools

Python and tab completion, better together.

simple-parsing allows you to transform your ugly argparse scripts into beautifully structured, strongly typed little works of art. This isn't a fancy, complicated new command-line tool either, this simply adds new features to plain-old argparse! Using dataclasses, simple-parsing makes it easier…

Simple Lightweight Option Parsing - ✨ new contributors welcome ✨

Optimist is a commandline option parser for Ruby that just gets out of your way.

a Ruby command-line application framework

Team and repository tags

Toolkit for developing sleek command line apps.

Asciimatics is a cross-platform terminal user interface framework and console wrapper. It functions as a curses-compatible library providing a toolkit for building interactive text-based applications, an ASCII art generator, and a terminal animation engine. The project distinguishes itself through a visual effects engine capable of rendering sprites, particle systems, and anti-aliased lines. It includes specialized systems for creating moving text-based graphics and tools for converting image files into character-based representations. The framework covers core terminal management including

A make-like build utility for Ruby.