Any Ruby
MRI, 1.9, JRuby, Rubinius
Any Adapter
Mongrel, Evented Mongrel, Swiftiplied Mongrel, LiteSpeed, Thin, Ebb, WEBrick, CGI, FCGI, SCGI
Any ORM
Sequel, DataMapper, ActiveRecord, M4DBI
Any Template Engine
Amrita2, Erubis, Tenjin, Haml, Sass, Liquid, Markaby, Remarkably, Ezamar, Nagoro, XSLT

The Modular Web Framework

Twitter / ramazenews