Top 11 JavaScript Synchronization Projects

Synchronization

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1. remotestorage.js

   1 2 2,420 8.8 JavaScript

   ⬡ JavaScript client library for integrating remoteStorage in apps

   

2. Kargo

   akuity.io sponsored

   Stop Scripting Promotions. Start Shipping with Kargo. Kargo automates promotion across dev, staging, and prod with approval gates and verification. Open source, built by the team behind Argo CD. Download now.

   

3. sysend

   2 8 1,163 1.5 JavaScript

   Web application synchronization between different tabs

   

4. Vynchronize

   3 1 1,162 2.2 JavaScript

   Watch videos with friends online with the new real time video synchronization platform

   

5. SessionSync

   4 1 315 6.9 JavaScript

   SessionSync

   

6. tamperdav

   5 2 288 2.5 JavaScript

   A WebDAV-like server to sync Tampermonkey scripts and edit them with an external editor

   

   Project mention: School Cell Phone Bans and Student Achievement (NBER Digest) | news.ycombinator.com | 2025-12-03

   // @namespace http://tampermonkey.net/

7. jsynchronous

   6 13 131 1.4 JavaScript

   Jsynchronous.js - Data synchronization for games and real-time web apps.

   

8. locize-cli

   7 6 72 8.3 JavaScript

   locize cli to import / export locales, add / edit / remove, sync segments

   

9. AppSignal

   www.appsignal.com sponsored

   Monitoring that respects your time & budget. APM, error tracking, and dashboards for modern web apps. Ten-minute setup, transparent flat pricing, and support from engineers who actually use the product.

   

10. Google-Script-Contacts-Sync

    8 3 30 2.2 JavaScript

    Synchronize Google contacts across multiple accounts.

    

11. SAVY

    9 1 19 1.9 JavaScript

    SAVY Player provides service to watch local videos with in a synchronized way.

    

12. SmartSync-Sheet

    10 1 9 0.0 JavaScript

    Synchronization tool to sync smartsheet sheet to google sheet sheet

    

13. agentsync

    11 1 0 3.8 JavaScript

    Synchronization layer for multi-agent LLM systems. Manages shared state, message passing, and coordination between concurrently running agents without race conditions.

    

    Project mention: Agentsync: Version, Merge, and Audit AI Agent Configurations Like Code | dev.to | 2026-06-05

    === Git Status === Branch: main Modified files: 2 Untracked files: 0 === Agentsync Config === Initialized: true Version: 1.0.0 Repository: https://github.com/dakshjain-1616/agentsync-configs === Merge History === - 2026-05-13T12:30:45.123Z: Update configurations - 2026-05-13T12:25:30.456Z: Sync team configs - 2026-05-13T12:20:15.789Z: Initial merge

JavaScript Synchronization related posts

• Automerge: A library of data structures for building collaborative applications

  5 projects | news.ycombinator.com | 19 Jul 2024

• Is there a way to get to linux devices (say a desktop and a laptop) to sync and share files between them?

  2 projects | /r/linux | 27 Nov 2023

• PSA: LocalSend is the easiest way to copy files to your deck wirelessly

  2 projects | /r/SteamDeck | 29 May 2023

• Viewing Archived Tasks added from GCal

  2 projects | /r/ticktick | 17 Apr 2023

• Google Calendar Events not syncing with TickTick

  2 projects | /r/ticktick | 17 Apr 2023

• add an one-way sync between ticktick to google calendar faster

  2 projects | /r/ticktick | 7 Apr 2023

• I've made an app to transfer all of your images/videos to PC

  2 projects | /r/androidapps | 11 Jan 2023
• A note from our sponsor - AppSignal
  www.appsignal.com | 4 Sep 2026

  APM, error tracking, and dashboards for modern web apps. Ten-minute setup, transparent flat pricing, and support from engineers who actually use the product. Learn more →

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