The best alternatives to JustParty are Netflix Hangouts, Trim, and Jumpskip for Netflix. If these 3 options don't work for you, we've listed a few more alternatives below.
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AssemblyAI— Speech-to-Text API with superhuman accuracy
No more wasting time deciding what to watch on Netflix. This Chrome extension makes IMDB and rotten tomato ratings appear right on the Netflix page. Try it today!
Jumpskip is a Chrome Extension for Netflix that helps you watch movies without being scared by jumpscares. Skip, mute, get a warning when jumpscares are about to happen, view all the jumpscare timestamps, and much more.
Flickcall is a privacy-focused browser extension to watch movies & TV shows together. Your personal chats & video stream are delivered directly to peers. Supports Netflix, Youtube, Primevideo, Hotstar, & Zee5. It is like Netflix party with video-call.