Compare software

Mill vs Scala CLI: catalog facts
Mill	Scala CLI
Free Free and open source under the MIT licence.	Free Free and open source under the Apache 2.0 licence.
Windows, Command line	Windows, macOS, Linux, Command line
Targets Java and Scala builds Command-line tool installable through Scoop	No configuration file required Default Scala runner since Scala 3.5.0
Focused on JVM languages rather than general-purpose builds Another build tool for a team to learn alongside existing ones	Designed for single-module projects Larger multi-module builds still need sbt or Mill
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: Apache-2.0
No account needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.