Realtime syncing of data across multiple users

This page summarizes the projects mentioned and recommended in the original post on /r/sveltejs

SurveyJS - JavaScript Form Builder with No-Code UI & Built-In JSON Schema Editor
Keep full control over the data you collect and tailor the form builder’s entire look and feel to your users’ needs. SurveyJS works with React, Angular, Vue 3, and is compatible with any backend or auth system. Learn more.
surveyjs.io
featured
Stream - Scalable APIs for Chat, Feeds, Moderation, & Video.
Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure.
getstream.io
featured
  1. RxDB

    A fast, local first, reactive Database for JavaScript Applications https://rxdb.info/

    You can try looking at RxDB

  2. SurveyJS

    JavaScript Form Builder with No-Code UI & Built-In JSON Schema Editor. Keep full control over the data you collect and tailor the form builder’s entire look and feel to your users’ needs. SurveyJS works with React, Angular, Vue 3, and is compatible with any backend or auth system. Learn more.

    SurveyJS logo
  3. SvelteKit

    web development, streamlined (by sveltejs)

    Currently SvelteKit does not have native WebSocket backend support (issue, discussion). That means it is complicated to have a WebSocket server running within a SvelteKit app on the server.

  4. svelte-websocket-store

    svelte store with a websocket backend

    Maybe check https://github.com/arlac77/svelte-websocket-store.

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

Suggest a related project

Related posts

  • Deploy

    5 projects | /r/sveltejs | 22 Nov 2022
  • Integrating Svelte Kit and Prisma without wrapper class to workaround

    2 projects | dev.to | 21 Apr 2022
  • Need feedback on APIs.

    2 projects | /r/learnjavascript | 27 Dec 2021
  • ORMs Are Annoying! Until You Try Living Without One

    2 projects | dev.to | 6 Jul 2025
  • 🧩 I Built a Simple Tool to Merge Excel Files — the Lazy Way

    2 projects | dev.to | 1 Jul 2025

Did you know that JavaScript is
the 3rd most popular programming language
based on number of references?