"Possible exceptions would include Seaside, which I've never used but has been around for a while and from what I can see has a genuinely different approach to

"Possible exceptions would include Seaside, which I've never used but has been around for a while and from what I can see has a genuinely different approach to web development that actually does exploit Scheme." Unless we are talking 'bout a different framework, Seaside is Smalltalk.