Short Story: We use Collanos Workplace and Protonotes for collaborating. Occasionally Dimdim too.   Now, the long story We had a few preferences for the collaboration tool to use in our startup. Had looked through dozens of them for about 2 weeks before I encountered Collanos Workplace via this WebWorkerDaily post.     We are a bunch of 5 people distributed over 4 places. The requirements we have are these: 1. A place to carry on discussions both synchronously (IM style) as well as asynchronously (email style). The discussions should be persisted so that we have a copy...