Internet Download Manager (IDM) for Ubuntu
uGet for Linux is a real alternative for Internet Download Manager.
uGet is a multi-platform GTK3 download manager that supports resuming downloads, comes with categories support, can download torrent and metalink files through aria2, a powerful command line download tool that’s integrated into uGet.
You can install it by adding the repository to your install.
Follow the commands for this.
sudo add-apt-repository ppa:plushuang-tw/uget-stable
sudo apt-get update
sudo apt-get install uget aria2
You can also search for “uget” in Ubuntu Software Center and install it.