It's FOSS - https://itsfoss.com/lets-bring-fdm-linux/
Brief: Free Download Manager is a popular open source application but unfortunately it is not available for Linux yet. But your vote can help bring it to Linux.
Isn’t it a shame that the list of best download managers for Linux doesn’t include Free Download Manager?
Free Download Manager (popularly known as FDM) is a download accelerator and a bit torrent client. The first version was released in 2004 as a proprietary software but it has been released as an open source software under the GPL license since 2010.
Despite being open source, FDM is only available for Windows and macOS, and