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jabbaasdf
Free

Free and open source under the Apache 2.0 licence.

 Free

Free and open source under the MIT licence.

Windows, macOS, Linux, Command line macOS, Linux, Command line
  • Same commands on Windows, macOS and Linux
  • Installs and switches between many JDK versions
  • One tool and one .tool-versions file replaces nvm, rbenv, pyenv and friends
  • Plugin ecosystem covers hundreds of runtimes and CLI tools
  • Maintained fork with a small community
  • No GitHub releases listed in the repository
  • Shim indirection adds startup latency and occasionally confuses tooling
  • Plugin quality varies since each is community-maintained
Downloadable app Downloadable app
Open source Open source
License: Apache-2.0 License: MIT
No account needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked October 2, 2026

Checked September 22, 2026

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