CryptPad is built to enable collaboration while keeping data private. Even the service administrators do not have access to your information. The project is fully Open Source, with no personal information required to sign up. Try it at https://cryptpad.fr
Launch Team
Render Sandboxes: a computer for every agentRun untrusted code safely. Idle sandboxes cost nothing
Promoted
Lots of apps are available to adapt it to your needs.
Pros:Doesn't compromise on user privacy. Awesome alternative to Google Docs.
Cons:Nothing in particular.