Syncplay is described as 'program allows you and your friend/partner/family member to watch same video file simultaniously on different PCs and different location by syncing playback of MPC-HC, mpv, mplayer2 and VLC players' and is a Watch Videos Together Tool in the Video & Movies category. There are more than 10 alternatives to Syncplay for a variety of platforms, including Online / Web-based, Windows, Mac, Google Chrome and Firefox. The best alternative is Metastream, which is both free and Open Source. Other great apps like Syncplay are Watch2Gether (Freemium), Kosmi (Free), Teleparty (Free) and Rave (Free).
Jelly Party is a free Chrome & Firefox extension for watching Netflix, YouTube, Disney+ and many more streaming services remotely with friends — in sync. It features integrated text-, voice- and video-chat.
Watch videos together at the same time! SyncWatch allows watch videos with friends at the same time! You can watch movies, anime, lectures together. Now it is no need to count 1..2..3. Just join to the room and your videos will be synchronized.
Enjoy watching memes or learn new things on YouTube together with friends, listen to music on SoundCloud, play Google Drive video files, or just play your favorite videos from other popular free video-sharing services.
Listen or watch your favourite content via Youtube on repeat, shuffle or synchronized on all your computers at the same time. Take turns DJ'ing. Enjoy private or public rooms by yourself or together with your friends in sync.