Top 4 cli-framework open source projects

Picocli is a modern framework for building powerful, user-friendly, GraalVM-enabled command line apps with ease. It supports colors, autocompletion, subcommands, and more. In 1 source file so apps can include as source & avoid adding a dependency. Written in Java, usable from Groovy, Kotlin, Scala, etc.

Create Python CLI apps with little to no effort at all!

Command line for your projects

Bash command line framework and CLI generator