Vosao CMS for Google App Engine.Vosao (vo-za) is a content management system (CMS) that enables you to build web sites and powerful online applications on the Google App Engine platform for Java. The project posted its first release candidate on 29 December 2009.

Vosao CMS features include visual (WYSIWYG) editing, friendly URLs, internationalization, parent/child page system, nested and programmable templates, commenting (with moderation), site import/export, content versioning, security and group management, resource management, reCaptcha, Google Analytics, plugins, input forms, SEO URLs, and more, along with free hosting on the Google cloud.