I've occasionally heard people comment that they feel overwhelmed by all the different online collaborative tools now available in the workplace. More specifically, I think they mean that with so many different tools available, they don't know what they would use each tool for. Without understanding the purpose of a tool, or the task that it could help them accomplish, they are unlikely to invest the time to learn about it.
So, I tried to organize the tools available in my workplace into themes with a specific emphasis on some of the tasks each tool can help you accomplish.
This is still draft, but let me know if I have forgotten anything or if it could be arranged in a different way.