Zeecrowd

Zeecrowd provides secure online collaborative applications spaces called "Crowds". Crowd administrators can choose who enters the crowd and who does what within the crowd.

Only the crowd participants have access to the crowd's messages and data. The data sent through a crowd is encrypted.

Once you are connected, you can create and/or join as many crowds as you wish. You can choose a separate identity, if desired, for each of your crowds. You can personalize visually the crowds that you create, so that each crowd can have its own unique visual identity.