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Chibi-Scheme vs GNU Guile: catalog facts
Chibi-Scheme	GNU Guile
Free Free and open source under the BSD 3-clause licence.	Free Free software under the LGPL 3.0 or later.
Command line	macOS, Linux, Command line
Small footprint suited to embedding in C programs Usable as a standalone Scheme interpreter	Works both as a standalone language and an embeddable extension language Broad Scheme standards support, including many SRFIs
Smaller ecosystem than larger Scheme or Lisp implementations Documentation is mostly in the repository	Scheme syntax is unfamiliar to many programmers Smaller ecosystem than mainstream scripting languages
Downloadable app	Downloadable app
Open source	Open source
License: BSD-3-Clause	License: LGPL-3.0-or-later
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.