Standard CLI

• acmd - Simple, useful, and opinionated CLI package in Go.
• argparse - Command line argument parser inspired by Python's argparse module.
• argv - Go library to split command line string as arguments array using the bash syntax.
• carapace - Command argument completion generator for spf13/cobra.
• carapace-bin - Multi-shell multi-command argument completer.
• carapace-spec - Define simple completions using a spec file.
• climax - Alternative CLI with "human face", in spirit of Go command.
• clîr - A Simple and Clear CLI library. Dependency free.
• cmd - Extends the standard flag package to support sub commands and more in idiomatic way.
• cmdr - A POSIX/GNU style, getopt-like command-line UI Go library.
• cobra - Commander for modern Go CLI interactions.
• command-chain - A go library for configure and run command chains - such as pipelining in unix shells.
• commandeer - Dev-friendly CLI apps: sets up flags, defaults, and usage based on struct fields and tags.
• complete - Write bash completions in Go + Go command bash completion.
• console Closed-loop application library for Cobra commands, with oh-my-posh prompts, and more.
• Dnote - A simple command line notebook with multi-device sync.
• elvish - An expressive programming language and a versatile interactive shell.
• env - Tag-based environment configuration for structs.
• flaggy - A robust and idiomatic flags package with excellent subcommand support.
• flagvar - A collection of flag argument types for Go's standard flag package.
• flash-flags - Ultra-fast, zero-dependency, POSIX-compliant flag parsing library that can be used as drop-in stdlib replacement with security hardening.
• getopt - An accurate Go getopt, validated against the GNU libc implementation.
• go-arg - Struct-based argument parsing in Go.
• go-flags - go command line option parser.
• go-getoptions - Go option parser inspired by the flexibility of Perl’s GetOpt::Long.
• go-readline-ny - A customizable line-editing library with Emacs keybindings, Unicode support, completion, and syntax highlighting. Used in NYAGOS shell.
• gocmd - Go library for building command line applications.
• goopt - A declarative, struct-tag based CLI framework for Go, with a broad feature set such as hierarchical commands/flags, i18n, shell completion, and validation.
• hashicorp/cli - Go library for implementing command-line interfaces.
• hiboot cli - cli application framework with auto configuration and dependency injection.
• job - JOB, make your short-term command as a long-term job.
• kingpin - Command line and flag parser supporting sub commands (superseded by kong; see below).
• liner - Go readline-like library for command-line interfaces.
• mcli - A minimal but very powerful cli library for Go.
• mkideal/cli - Feature-rich and easy to use command-line package based on golang struct tags.
• mow.cli - Go library for building CLI applications with sophisticated flag and argument parsing and validation.
• ops - Unikernel Builder/Orchestrator.
• orpheus - CLI framework with security hardening, plugin storage system, and production observability features.
• pflag - Drop-in replacement for Go's flag package, implementing POSIX/GNU-style --flags.
• readline - Shell library with modern and easy to use UI features.
• sflags - Struct based flags generator for flag, urfave/cli, pflag, cobra, kingpin, and other libraries.
• structcli - Eliminate Cobra boilerplate: build powerful, feature-rich CLIs declaratively from Go structs.
• strumt - Library to create prompt chain.
• subcmd - Another approach to parsing and running subcommands. Works alongside the standard flag package.
• teris-io/cli - Simple and complete API for building command line interfaces in Go.
• urfave/cli - Simple, fast, and fun package for building command line apps in Go (formerly codegangsta/cli).
• version - Collects and displays CLI version information in multiple formats along with upgrade notice.
• wlog - Simple logging interface that supports cross-platform color and concurrency.
• wmenu - Easy to use menu structure for cli applications that prompt users to make choices.

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