Nyxt
Nyxt is a free and open source web browser that provides almost limitless possibilities for configuring and changing the behavior of any aspects of working with the browser
qutebrowser
qutebrowser is a free and open source, multiplatform browser focused on keyboard usage, with a minimal graphical interface
FireDM
Fire DM is a free and open source, multi-platform download manager with support for multiple connections, allows you to download files and videos from YouTube and many other streaming websites
youtubedl-gui
youtubedl-gui is a free and open source, easy-to-use graphical interface for youtube-dl
Gyre
Gyre is a free and open source video downloader from Coub.com for Linux
Tor Browser
Tor Browser is a free and open source, multi-platform browser that provides privacy and anonymity on the network
Tickr
Tickr is a free and open source RSS/Atom reader with a news feed ticker on the desktop
GNOME Feeds
GNOME Feeds is a free and open source minimal RSS/Atom feed reader built with speed and simplicity in mind for GNOME
MegaBasterd
MegaBasterd is a free and open source, multi-platform unofficial file sharing service client MEGA.nz
Element
Element is a free and open source, cross-platform and secure desktop instant messaging client of the Matrix network