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Racket vs Chibi-Scheme: catalog facts
Racket	Chibi-Scheme
Free Free and open source, supported by donations.	Free Free and open source under the BSD 3-clause licence.
Windows, macOS, Linux, Command line	Command line
Macros that let you build your own languages Cross-platform GUI framework included	Small footprint suited to embedding in C programs Usable as a standalone Scheme interpreter
Smaller ecosystem than mainstream languages Lisp-style syntax takes adjustment for newcomers	Smaller ecosystem than larger Scheme or Lisp implementations Documentation is mostly in the repository
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0 OR MIT	License: BSD-3-Clause
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.