Building Cloud Document Sync with Google Firebase About a month ago we shipped a new version of Polar which enables support for cloud sync backed by Firebase. Polar is a personal knowledge repository for your books, PDFs, and web content which supports annotation including highlights and comments…

Polar 1.5 with Cloud Sync Support for multi-device sync based on Google Firebase I'm proud to announce that Polar 1.5 shipped this morning. One of the most exciting features of this release is support for cloud sync. Cloud sync allows you to keep all your documents, PDFs, web page captures, and…