A beautiful New Tab page with many customisable backgrounds and widgets.
An in-browser Pandora client with no ads, unlimited skips, and song downloads. Tabs? Where we're listening, we don't need tabs.
Bookmarks Facebook posts, videos and more for later.
An image downloader built with webextensions
Video & Flash Download Manager is a great download helper tool that lets you download and Flash videos (YouTube, Facebook, Dailymotion, Google Video,or just collect them in your video list without downloading them. Support FireFox 57+ Quantum.
Open and download links with IDM (Internet Download Manager) - the fastest downloader, compatible with new Firefox Quantum 57+.
Advanced Feed Reader - Read news & blogs or any RSS/Atom/RDF source.