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