Youtube - ResumeJS
When playing a Youtube video, this script update the URL, adding a `&t=xx` at the current time (minus ten seconds) query param so that when the page is refreshed (be-it after reopening the browser or manual refresh), the video resumes from where it stopped.
More YouTube HotkeysJS
Adds more keyboard shortcuts for YouTube. The list of all new shortcuts is added into new "More Shortcuts" section on YouTube's "Keyboard shortcuts" popup which can be accessed via "?" or SHIFT+/ key (on U.S. keyboards).
Youtube Offliberate ButtonJS
Places an "Offliberate" button next to the subscribe button under YouTube videos. The button redirects you to Offliberty.com, where the conversion is started automatically. Based on "Youtube MP3 Download Button" by Soulweaver.