Describes types of permissions and switching between users. You can also show/hide annotations of specific users.

In this example, you are able to pass any URL and be able to save a copy of that website to annotate.

View source code on Github

An example setup with Node.js backend.

View source code on Github

An example setup with Firebase backend. For more details, refer to realtime collaboration guide .

Shows how to create and add custom annotations by extending the existing annotation classes.