Search in GTK Youtube Viewer can be performed on multiple criteria, a search term, you can apply multiple filters (displays the ten most suitable criteria results). For those wishing to grade the videos, comment and so on, you can login to the service.
In addition to simple search in GTK Youtube Viewer has the opportunity of viewing the news, grouped by category and popularity, there is a possibility to add your own tapes (available in categories or in private). About video clip can show detailed information, view the video opens in a separate window, saved the videos in WebM format (open media format based on open codecs and does not require license fees).
Installation into Linux Mint:
sudo add-apt-repository ppa:nilarimogard/webupd8 sudo apt-get update sudo apt-get install mpv youtube-viewer