Commander.js

Commander.js is a powerful Node.js library designed to simplify the creation of command-line interfaces. It offers:

• Intuitive API: Easy declaration of commands, options, and arguments
• Automated Help System: Built-in help generation and error handling
• Flexible Option Types: Support for boolean flags, value options, variadic options
• Subcommand Support: Create complex CLI apps with nested commands
• TypeScript Support: Full TypeScript integration for type safety
• Enterprise Ready: Robust parsing and error handling capabilities

Key features include:

• Command argument parsing
• Option validation and processing
• Custom event listeners
• Automated help documentation
• Stand-alone executable subcommands
• Version management
• Custom error handling

Perfect for developers building CLI tools, task automation scripts, or complex command-line applications in Node.js.