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Chibi-Scheme vs Racket: catalog facts
Chibi-Scheme	Racket
Free Free and open source under the BSD 3-clause licence.	Free Free and open source, supported by donations.
Command line	Windows, macOS, Linux, Command line
Small footprint suited to embedding in C programs Usable as a standalone Scheme interpreter	Macros that let you build your own languages Cross-platform GUI framework included
Smaller ecosystem than larger Scheme or Lisp implementations Documentation is mostly in the repository	Smaller ecosystem than mainstream languages Lisp-style syntax takes adjustment for newcomers
Downloadable app	Downloadable app
Open source	Open source
License: BSD-3-Clause	License: Apache-2.0 OR MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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