Compare software

CHICKEN SchemeChez Scheme
Free

Free and open source under the BSD licence.

 Free

Free and open source under the Apache 2.0 licence.

Windows, macOS, Linux, Command line Windows, Command line
  • Compiles Scheme to portable C and native executables
  • Supports R5RS and R7RS plus many extensions
  • Complete Scheme implementation with compiler and tools
  • Regular versioned releases with detailed release notes
  • Compiled builds need a working C toolchain
  • Scheme is a niche language with a smaller ecosystem than mainstream languages
  • Scheme is a niche language with a smaller ecosystem
  • Homepage offers little introductory material
Downloadable app Downloadable app
Open source Open source
License: BSD-3-Clause License: Apache-2.0
No account needed No account needed
Works offline Works offline

Checked October 1, 2026

Checked October 2, 2026

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