youtube-dl is a command-line utility for downloading videos or extracting audio files from streaming websites such as YouTube, Dailymotion, and Vimeo. Developed by Ricardo Garcia Gonzales
License: Open Source
YouTube-dl is a powerful command-line tool favored by advanced users for its extensive capabilities and flexibility in downloading from various sites, while ClipGrab offers a more user-friendly experience with a graphical interface, making it suitable for casual users who prefer simplicity.