aria2 is a lightweight multi-protocol & multi-source command-line download utility. It supports HTTP/HTTPS, FTP, SFTP, BitTorrent and Metalink, etc.
License: Open Source
EagleGet is a user-friendly download manager with an integrated browser and a graphical interface, making it suitable for casual users. In contrast, aria2 is a powerful command-line tool favored by advanced users for its extensive customization options and support for various protocols.