It is a free and open-source tool that supports downloading BitTorrent, FTP, HTTP, Magnet, etc. It may not be the latest version, but it should do the work. Motrix is a powerful and fully featured download manager available for Linux, Windows, and macOS.
You should also find it in the repositories and find it in the software center for other distributions.
In either case, you can always head to the KDE applications portal and initiate the installation using the Discover software center in your KDE-powered distribution.
Designed for simplicity, flexibility, and full customization, it allows users to browse, locate, open, copy, and move files around a Linux system with a lot of ease. You should probably have it installed with KDE onboard. Dolphin is a free, open-source, lightweight file manager developed as part of the KDE applications package. So, it should be a convenient option to use as a daily driver. The best Linux alternative is Xtreme Download Manager, which is both free and Open Source. uGet supports features, like: allowing faster downloads via parallel download streams. Internet Download Manager is not available for Linux but there are plenty of alternatives that runs on Linux with similar functionality. Portage is the Linux source-based package manager, giving perfect control over packages via tweaking the build process, like only including the support and dependencies of packages the user wants it to support. uGet The uGet download manager is a highly configurable, lightweight tool that allows users to easily organize their downloads in one central place. To keep things seamless, it also supports system stray integration. Here are the best download managers for Linux. You can choose to disable/enable any of the existing plugins. It also includes support for BitTorrent using its plugin system out-of-the-box. So, you should get the best experience along with the integration support for the Konqueror browser considering you use KDE as your desktop environment. KGet is a feature-rich yet straightforward internet download manager for Linux.