SugarCRM
Customer relationship management (CRM) is a widely-implemented strategy for managing a company’s interactions with customers, clients and sales prospects. SugarCRM is the best free CRM available. You can download a free Community Edition and install on your server.
Open Office
OpenOffice.org 3 is the leading open-source office software suite for word processing, spreadsheets, presentations, graphics, databases and more. It is available in many languages and works on all common computers. It stores all your data in an international open standard format and can also read and write files from other common office software packages. It can be downloaded and used completely free of charge for any purpose.
BigAnt Office Messenger
Secure instant messaging, file transfer, voip, video chat, web conferencing and more, BigAnt is a total instant Messenger (LAN Messenger) solution for enterprise. You can apply 10 users free license.
Acrobat.com
Give it a go – no charge. Try all of the great Adobe Acrobat.com services for free and ask your team to sign up, too. Use Workspaces to store and share files, collaborate using Adobe Buzzword® and Tables, and create up to five PDFs from existing files. Plus, if your team is spread out, meet online to move your projects along faster.

