POSIX-compliant command-line UI (CLI) parser and Hierarchical-configuration operations

getopt style option parsing for Go

Fully featured Go (golang) command line option parser with built-in auto-completion support.

A full-featured and easy to use command-line package

Structured getopt processing for Go programs

Zero-dependency Go implementation of the Unix getopt function, tested against GNU libc.

The good old getopt function as a Go iterator.

Minimal, POSIX compatible argument parsing in Go

callback driven argparse library with subparser support

GNU getopt implementation in Go (forked and updated from github.com/pborman/getopt/v2)

A getopt/argparser implementation in golang

command-line argument parsing for Go

A minimalistic Go "flag" substitute that parses cmdline in the getopt style, with default values and -h help support built-in. Can be instantiated and used within a single line.