[drmaximus]

Sioyek is a PDF viewer designed exactly for reading research papers and textbooks: https://github.com/ahrm/sioyek.

[random3]

Sioyek seems awesome, especially vim inspired features. Too bad u (undo) doesn't work and there doesn't seem to be a way to undo. Am I missing something or is it laking it?

[severine]

I found this related issue: https://github.com/ahrm/sioyek/issues/633

[random3]

Improved over that https://github.com/ahrm/sioyek/issues/1011

[jacktang]

looks cool