youtube-dl is a small command-line tool to download videos. While it originally and still is used for YouTube.com, it supports many other video hosters like Anitube, Appletrailers, Archive.org, ARD, Arte, Blinkx, Bloomberg, CBS, clipfish, CollegeHumor, ComedyCentral, Discovery, dropbox, eHow, flickr, FranceTV, Google+, GorillaVid, Internet Video Archive, justintv, KhanAcademy, liveleak, MTV, MyVideo, NBC, Newstube, novamov Slideshare, SoundCloud, Southpark, Steam, SyFy, Veoh and Vimeo. It can save video MP4s and other provided formats or just extract audio tracks.
minor feature: extractor/common Improve Akamai HTTP format extraction.Allow m3u8 manifest without an additional audio formatExtraction for qualities starting with a number.Allow m3u8 manifest without an additional audio format.Extraction for qualities starting with a number. teachable:course Improve extraction. nrk Improve error extraction. nrktv:series Improve extraction. nrktv:season Improve extraction. nrk Improve format extraction and geo-restriction detection. pornhub Handle HTTP errors gracefully. nrktv Relax URL regular expression. zdf Extract webm formats. gamespot Extract DASH and HTTP formats. tver Add support for tver.jp. pornhub Add support for pornhub.org.