Suggest an alternative to

webext-gmail-persistent-sidebar

Keeps email, chat and spaces sidebar always visible.

Why do you think that https://github.com/YukisCoffee/yt-player-classicifier is a good alternative to webext-gmail-persistent-sidebar

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 webext-gmail-persistent-sidebar. Optional.

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