I think this is the reference implementation for r7rs as well isn't it?

On Thu, Dec 1, 2011 at 12:24 PM, Bakul Shah <bakul@bitblocks.com> wrote:

> Alex Shinn's Chibi-scheme is a r7rs "small" language
> compatible Scheme. It can be used standalone for scripting or
> as a library to provide an extension language. Full guide at
> http://synthcode.com/scheme/chibi/
>
> Installation:
>  hget http://chibi-scheme.googlecode.com/files/chibi-scheme-0.5.1.tgz | \
>    gunzip | tar xv
>  cd chibi-scheme-0.5.1
>  mk install
>
> Its plan9 support needs more work: access to more of plan9
> API, mkfile needs work + targets for .a, html docs, more
> tests, etc. but the port is eminently usable.
>
>