Suggest an alternative to

Polar Bookshelf

Polar is a personal knowledge repository for PDF and web content supporting incremental reading and document annotation.

Why do you think that https://github.com/Zettlr/Zettlr is a good alternative to Polar Bookshelf

A URL to the alternative repo (e.g. GitHub, GitLab)

Here you can share your experience with the project you are suggesting or its comparison with Polar Bookshelf. Optional.

A valid email to send you a verification link when necessary or log in.