There has been a surge in Innovation and Startups in Dovument Management Systems / Web Office System the market is full of useful opensource solutions for EDMS(Electronic Data Management Systems)
Some of the very Promising ones are Zoho, Foldera, Thinkfree
This is a Nice CRM from Zoho this has upto 3 users free each additional User is 12US$
http://crm.zoho.com/
Zoho has a set of free online tools which are free now some of the practical are
wiki.zoho.com/
I got one here http://qinfotech.wiki.zoho.com/
A useful Project Management tool
projects.zoho.com/
http://www.huddle.net/
http://www.thinkfree.com/
http://www.webex.com/
http://www.coghead.com/
http://www.foldera.com/
http://www.webex.com/
http://www.inetword.com/
http://www.contactoffice.com/index
http://o2con.com/
http://www.jivesoftware.com/
http://www.caspio.com
