Xtreme Download Manager (XDM) is a download accelerator and video downloader.
It supports auto proxy configuration, NTLM, Basic, Digest, Kerberos, Negotiate algorithms for authentication, batch download etc.
This is free and open source software.
Features include:
- Save video from numerous video streaming sites.
- Built in video converter, which lets you convert downloaded video to MP3 and MP4 formats.
- Supports HTTP, HTTPS, FTP as well as video streaming protocols like MPEG-DASH, Apple HLS, and Adobe HDS.
- Supports authentication, proxy servers, cookies, redirection etc.
- Video download, clipboard monitoring, automatic antivirus checking, scheduler, system shutdown on download completion.
- Resumes broken / dead downloads caused by connection problem, power failure or session expiration.
- Cross-platform support – runs under Linux, macOS, and Windows.
Website: xtremedownloadmanager.com
Support: GitHub Code Repository
Developer: Subhra Das Gupta
License: GNU General Public License v2.0

XDM is written in C#. Learn C# with our recommended free books and free tutorials.
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With Xtreme Download Manager and Allavsoft, I can download from almost any video and music websites.