Cac is a command-line argument parser for Node.js, prized for its simplicity and TypeScript support. It facilitates effortless flag, option, and argument parsing, streamlining CLI application development. Cac's intuitive API allows developers to easily define command structures, specify option types and defaults, and generate helpful usage information. Its lightweight design promotes rapid integration and enhances code maintainability, making it a popular choice for modern CLI tools.
The npm package cac experienced frequent releases from 2016 to 2018, with peaks in August 2016, April 2018, and November 2018. Release frequency significantly decreased after 2018, with sporadic releases until late 2021. Since August 2022, there have been no new releases.
Cac npm package downloads show a strong upward trend from March 2024 (13M) to August 2025 (58.8M). There's been consistent growth, especially from January 2025 onward. September 2025 downloads (25.8M) are incomplete and significantly lower, reflecting only the first twelve days of the month.
