Screwed Up Toys

Here is the Wikipedia entry for Collaborative software.

Some tools that were researched for work:

• https://goplanapp.com/
• http://www.projectpier.org/ - free and runs on your own server 
• http://www.teamworkpm.net/
• https://www.manymoon.com
• https://www.remindo.com/
• http://www.onstageportal.com/
• http://www.activecollab.com/
• https://www.basecamphq.com/
• dotProject: see brighthub review