remkop/picocli — Picocli is a modern framework for building powerful, user-friendly, GraalVM-enabled command line app…

Description and use

Picocli is a lightweight, modern command‑line parsing library that lets developers create feature‑rich, GraalVM‑compatible CLI applications with minimal effort. Packed into a single source file, it supports colors, auto‑completion, subcommands, and works seamlessly with Java, Groovy, Kotlin, Scala, and other JVM languages, allowing projects to embed it directly without adding an external dependency.

Problem

remkop/picocli helps engineers save time in daily development and review loops.

Outcome

Medium: useful for prototypes or internal workflows, with dependency and maintenance checks before production.

Workflow

• speed up developer workflows
• automate local engineering tasks
• improve CI feedback

Evidence

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.

Source