1
Youtube Multiplier
youtubemultiplier.comSame kind of website
Youtube Multiplier plays two to eight YouTube videos at once and provides shared controls for the combined playback.
Alternatives
The Best ViewSync Alternatives in 2026
16 alternatives0 free · 3 open source
Looking for something like ViewSync? Here are 16 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 3 are open source.
ViewSync plays multiple YouTube videos at once and provides tools for synchronizing playback and testing audio.
Top picks at a glance
First suggestionYoutube MultiplierYoutube Multiplier plays two to eight YouTube videos at…Open source optionMassYoutubeUnsubscriberUnsubscribe from multiple YouTube channels with a browser…Another optionChatReplayChatReplay plays stream archive videos with their chat…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Youtube Multiplier | — | Not stated | Web |
| 2 | ChatReplay | — | Not stated | Web |
| 3 | TwitchTheater | — | Not stated | Web |
| 4 | yt-local | — | Not stated | Web |
| 5 | MUI | — | Not stated | iOS, macOS, Web |
| 6 | playlist.tools | — | Not stated | Web |
| 7 | Tweaks for YT | — | Not stated | Browser extension, Web |
| 8 | Enhancer for YT | — | Not stated | Web |
| 9 | Playlist Randomizer | — | Not stated | Web |
| 10 | Sync-Tube | — | Not stated | Web |
All ViewSync alternatives
2
ChatReplay
chatreplay.streamSame kind of website
ChatReplay plays stream archive videos with their chat replay, synchronizing archived broadcasts and viewer messages.
3
TwitchTheater
twitchtheater.tvSame kind of website
TwitchTheater combines Twitch, YouTube, and other streams in a multistream view with multiple video and chat panels.
4
yt-local
git.sr.ht/~heckyel/yt-localSame kind of website
yt-local provides a local browser interface for browsing and playing YouTube videos.
5
MUI
muitube.comSame kind of website
MUI plays YouTube videos from a pasted URL through a browser-based viewing interface.
6
playlist.tools
playlist.toolsSame kind of website
playlist.tools lets users view and play YouTube playlists, with controls for reversing order and browsing their contents.
7
Tweaks for YT
inzk.dev/tweaks-for-youtubeSame kind of website
Tweaks for YT adds mouse and keyboard controls for seeking, volume, playback speed, and other YouTube functions.
8
Enhancer for YT
mrfdev.com/enhancer-for-youtubeSame kind of website
Enhancer for YT adds features and controls to customize YouTube playback and the viewing experience.
9
Playlist Randomizer
playlist-randomizer.comSame kind of website
Playlist Randomizer shuffles videos from a YouTube playlist, changing the playback order for a more varied viewing session.
10
Sync-Tube
sync-tube.deSame kind of website
Sync-Tube lets users watch YouTube videos together in rooms with participant management and synchronized playback.
11
Open source
Unsubscribe from multiple YouTube channels with a browser script that works from the subscriptions page.
12
Multiselect for YouTube™ by Pollux
addons.mozilla.org/en-US/firefox/addon/multise…Select multiple YouTube playlist videos to move, sort, or copy them through this Firefox extension.
13
Open source
Play YouTube Shorts as regular videos and hide the Shorts tab with this YouTube-focused project.
14
Open source
Browse Invidious from a terminal interface and select YouTube audio or video for playback.
15
Video Resumer by Appteligent LTD
addons.mozilla.org/en-US/firefox/addon/video-r…Resume YouTube videos from their previous playback position, including after restarting the browser.
16
Control Panel for YouTube
soitis.dev/control-panel-for-youtubeA browser extension, Control Panel for YouTube adds settings for adjusting playback and site behavior.
No alternatives match this filter.
Alternatives to similar tools
MassYoutubeUnsubscriber24 alternativesYoutube Multiplier24 alternativesControl Panel for YouTube24 alternativesTweaks for YT24 alternativesplaylist.tools24 alternativesMultiselect for YouTube™ by Pollux24 alternatives
What is the best alternative to ViewSync?
Based on features, tags and platforms, the closest alternatives to ViewSync are Youtube Multiplier, ChatReplay, and TwitchTheater.
Are there open-source alternatives to ViewSync?
Yes: MassYoutubeUnsubscriber, Youtube-shorts block, and TUI.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative