ReelSync

Spec sheet

Purpose

ReelSync is a tool for watching videos in sync or sharing a screen with others, with no signup required.Read 10 Oct 2026 · github.com

Privacy

The project says media is sent through WebRTC and it does not implement server-side media storage, transcoding, or recording.Read 10 Oct 2026 · github.com

Browser access

The project runs in modern browsers and describes desktop as its best experience.Read 10 Oct 2026 · github.com

Connection security

In peer-to-peer mode, streams connect directly when possible; TURN may relay encrypted traffic, and the project advises choosing ICE/TURN and signaling services carefully.Read 10 Oct 2026 · github.com

Data storage

The site states that no data is stored on any server.Read 9 Oct 2026 · reel-sync.app

Firefox compatibility

The project says Firefox screen sharing usually cannot capture system audio because of browser limitations.Read 10 Oct 2026 · github.com

Join rooms

A host can create a room and share its link so visitors can join directly.Read 10 Oct 2026 · github.com

Maker credit

The site credits 小翁同学 as its maker.Read 9 Oct 2026 · reel-sync.app

Media sources

It supports local video files and screen sharing in peer-to-peer mode, and video URLs in same-origin mode.Read 10 Oct 2026 · github.com

Mobile limits

Mobile users can usually join as viewers, but screen sharing is usually unsupported.Read 10 Oct 2026 · github.com

Modes

The site offers Peer-to-Peer and Same-Origin modes.Read 9 Oct 2026 · reel-sync.app

Network limits

In same-origin mode, higher network latency may cause frequent forced synchronization; the project advises setting the maximum acceptable delay to at least one second when network conditions are poor.Read 10 Oct 2026 · github.com

No registration

The site says no registration is required and a temporary session is created for the user.Read 9 Oct 2026 · reel-sync.app

Open source

The project is released under the GPL-3.0 license.Read 10 Oct 2026 · github.com

Platform availability

The opened site is a web app and displays Linux with Chrome as its current environment.Read 9 Oct 2026 · reel-sync.app

Room sharing

A host can create a room and share its link with a partner.Read 9 Oct 2026 · reel-sync.app

Safari compatibility

The project says Safari API limitations may make peer-to-peer capture or streaming unavailable or unstable.Read 10 Oct 2026 · github.com

Self-hosting

The project can be self-hosted as a static site, with Nginx, Caddy, GitHub Pages, and Cloudflare Pages listed as examples.Read 10 Oct 2026 · github.com

Source code

The site links to its source code on GitHub.Read 9 Oct 2026 · reel-sync.app

Supported technology

The site says it is powered by WebRTC and other web technologies.Read 9 Oct 2026 · reel-sync.app

Where Specifiction places it

• Video Messaging Software#28 of 297.0