(chez (chez scheme))

Welcome to the home of Chez Scheme, where you'll find information on and resources relating to Chez Scheme, a powerful implementation of Scheme designed to maximize programmer productivity as well as application reliability and performance.

Chez Scheme Version 8.0

Chez Scheme Version 8.0 is now available. Version 8 is a complete implementation of R6RS Scheme with numerous extensions. Please see the release notes for a description of the new features. For pricing and ordering information and other inquiries, please contact us.

As always, the Petite version of the system is available for use without fee. Download it now and try it out.

Documentation

Documentation for Chez Scheme Version 8 comes in two parts. The The Scheme Programming Language, 4th Edition (TSPL), which is a general introduction to and reference for Scheme. It is available for order direct from MIT Press and various online and local retailers. The full text is available online, along with errata.

The Chez Scheme Version 8 User's Guide (CSUG), which is specific to Chez Scheme, can be purchased from lulu.com. The full text is also available online, along with errata.

Chez Scheme Version 7.4d

Chez Scheme Version 7.4d, an implementation of R5RS Scheme with numerous extensions, is still available, including the free Petite Chez Version 7.4d.