It’s a powerful modern download accelerator
Persepolis
Persepolis is a download manager & a GUI for Aria2.
Video Downloader
Download videos from websites with an easy-to-use interface. Provides the following features:
Tixati
Tixati is a New and Powerful P2P System
Silnik
A full-featured download manager
KGet
KGet is a versatile and user-friendly download manager.
SteadyFlow
Steadyflow is a GTK+ based download manager that aims for minimalism, ease of use, and a clean, malleable codebase. It should be easy to control, whether from the GUI, command line, or D-Bus.
Puget
#1 Open Source Download Manager
FreeTube
FreeTube is an open source desktop YouTube player built with privacy in mind.
ClipGrab
ClipGrab is a free downloader and converter for YouTube, Vimeo, Facebook and many other online video sites.