Paradigma Software today announced the release of Valentina 2.5.3. In addition and with Runtime Revolution, also unveiled Valentina Developer Revolution 2007, which includes all the tools needed to develop business-ready cross-platform database solutions for Mac OS X and Windows. Version 2.5.3 includes the following improvements: improved Listbox binding in the Open Source Valentina for REALbasic Binding Framework; in Mac OS X, support for PHP 5 as well as PHP 4 scripting; over 30 customer requested fixes and corrections to improve overall usability; and ordering by Temporary Fields. Pricing for Valentina Office Server starts at US$300.