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SketchyLISP

SketchyLISP is an embeddable interpreter for a purely applicative dialect of Scheme. It may be considered an implementation of pure LISP plus global definitions, first-class continuations and input/output functions.

Documents and Examples: Reference Manual; Function Library; Example Programs; Sketchy LISP Tutorial (Printed)

The SketchyLISP source code is available under the terms of a BSD license. It needs nothing but an ANSI C (C89) compiler to build, and has been reported to run under these systems: FreeBSD, Linux, Plan 9 (using APE), MinGW, CygWin.

Source Code: sketchy-20061008.tar.gz (162K); SourceForge Project Page; FreeBSD Port

Leading Edge
You can check out or export a pre-release copy of SketchyLISP from the SourceForge CVS repository using anonymous CVS.