WEAP (Water Evolution and Planning) has been looking for solutions to preserve fresh water and developing strategies to live within certain water budget in a sustainable manner. WEAP’s teamwork is working in almost all over the world: Central and South America, the Caribbean, Africa, the Middle East.
WEAP software has been developed recently, all users should update the old versions; they can check the list of updates through this link: http://www.weap21.org/WhatsNew
Or they can download a full version: http://www.weap21.org/Download
Source: WEAP