The MemCache module allows Dolibarr to increase speed by using a cache server MemCached. According to platform, speed to show each page can be increase between 20% and 40%. This module is an applicative cache, not a PHP OPCode cache so gain effect is cumulated with any other OPCode cache like APC, eAccelerator.
The Dolibarr ERP/CRM 3.0 version is a major upgrade of previous version. More information on Dolibarr ERP/CRM web site: http://www.dolibarr.org
Also, with this version, the Dolibarr foundation launches an official market place for addons, tools and plugins for Dolibarr. This market place is called DoliStore and is available at http://www.dolistore.com
After 2 years of development the Multi-Company module is available, it enables multi-company to handle multiple entities on a single installation Dolibarr. The sharing of the products, customers/contacts, users, etc ... are being added.