sagittarius-scheme

Sagittarius Scheme is a free Scheme implementation supporting R6RS/R7RS specification.

Features:

• Builtin CLOS.
• Common Lisp like reader macro.
• Cryptographic libraries.
• Customisable cipher and hash algorithm.
• Custom codec mechanism.
• CL like keyword lambda syntax (taken from Gauche).
• Constant definition form. (define-constant form).
• Builtin regular expression
• mostly works O(n)
• Replaceable reader.