Water: a fast, secure, dynamic OO language and database. Water is an all-purpose language (and meta-language) that runs Web applications in the browser or server-side. Water is compatible with .NET, Java, and C on Windows, Linux and Mac OS X system.
Oops [Object Oriented Program System] for Gambit Scheme Provides an Object System with features like CLOS & Dylan but notable differences as well. Requires Gambit Scheme version 4 available at: http://www.iro.umontreal.ca/~gambit/