TabFloater - Browser extension to use picture-in-picture with any website
Kodi - Kodi is an award winning free and open source media player that got its start on the Xbox console.
Video Hub App - The fastest way to browse, search, and manage videos on your computer. Like YouTube for videos on your computer!
Emby - media server for personal streaming movies tv music photos in mobile app or browser for all devices android iOS windows phone appletv androidtv smarttv and dlna.
riv.yt - A minimalist way to view and share YouTube videos
Serviio - Web on Big Screen. Serviio enables playback of online sources like RSS feeds, live streams or web site content so that you can listen to your favourite podcasts or watch latest TV programmes published online.