Nexista is a project mainly written in JAVASCRIPT and PHP, based on the LGPL-2.1 license.
PHP Webapp Development framework
Nexista is an Open Source PHP/XML/XSL based development framework for building robust and scalable web applications.
As of 2009, it continues to be in active development after more than five years. If you are interested in helping with Nexista development, please make a comment about your intentions at the blog or the forums.
It requires php5-xsl, php-xml, PEAR, MDB2 (for database access), and MDB2 database drivers.
Current versions can be found at http://www.nexista.org/