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Chez Scheme vs Chibi-Scheme: catalog facts
Chez Scheme	Chibi-Scheme
Free Free and open source under the Apache 2.0 licence.	Free Free and open source under the BSD 3-clause licence.
Windows, Command line	Command line
Complete Scheme implementation with compiler and tools Regular versioned releases with detailed release notes	Small footprint suited to embedding in C programs Usable as a standalone Scheme interpreter
Scheme is a niche language with a smaller ecosystem Homepage offers little introductory material	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	License: BSD-3-Clause
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 1, 2026

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