Some test text!
In realtime collaboration, a server will merely act as an online database that triggers events upon data creation/modification/deletion. As long as the above requirement is met, your server can be built in any language and stack of your choice. PDFTron provides an interface that will allow you to connect your data to the out-of-box UI. Below are two samples.
An example setup with WebViewer Server backend. Source code included as part of the showcase sample.
An example setup with Firebase backend.
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