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.
Command Result Accessibility Protocol — a TAP fork for human-readable script output trees with ANSI display hints, locale-aware numbers, status lines, and streaming — read-only mirror of code.linenisgreat.com/crap