¡COSA! is a project to create a Common Objects Service API for web development. By using ¡COSA! a programmer will not have to worry about rewriting and rebuilding his WSDL file all the time, worrying only about what really matters: coding business rule
FSE is "new-type" website engine (CMS). It "skins" to change the site into any style, like blogs, file sharing sites, or even personal sites, all running on FSE unchanged with no coding required. FSE is coded in ASP.NET & PHP.