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
GetRight is a download manager. GetRight is able to pause and resume downloads, download from multiple servers to speed up download time (segmented file transfer), scheduling the starting and stopping of downloads and shutting off the computer or disconnecting the modem when the downloads have finished. Developed by Headlight Software, Inc.
License: Commercial
Aria2 is a powerful, open-source download manager that excels in versatility with support for multiple protocols and extensive customization options, ideal for advanced users. In contrast, GetRight offers a user-friendly graphical interface and is designed for casual users seeking simplicity and ease of use, making it more accessible for beginners.