Evolu - Local-First Platform Designed for Privacy, Ease of Use, and No Vendor Lock-In – Evolu

Automerge is a library of data structures for building collaborative applications.

Sync engine for building local-first apps with instantly-responsive UI/UX and simplified state transfer. Connects to Postgres, MongoDB and MySQL backend databases.

The reactive data store for local-first apps.

The easiest way to use IndexedDB. A lightweight, minimalistic wrapper that provides a straightforward API for developers using IndexedDB.

The Decentralized Operating System

dat-ecosystem is a post-web p2p community of projects - Most projects are self funded. Some of the projects contribute maintainance and development to core pieces of the Dat ecosystem while others create high level applications built on top of p2p protocols.

Sync little subsets of your Postgres data into local apps and services.

Ship features like comments, notifications, a text editor, or build any collaborative experience in days, not months. Engage users, fuel creativity, and drive growth. Finally.

Simplify your application state with Fireproof.

Decentralized Database

We make you productive by giving your frontend a real-time database.

m-ld

Features a social network, shared documents, productivity tools, an app store, and more! You can use NextGraph for free. It is decentralized, resilient, secure, private and encrypted. You own your data and software! Developers can build new web3.0 local-first apps with our open source framework, based on open standards, with CRDTs, E2EE, Semantic Web, RDF, SPARQL, JSON, Markdown, Svelte, React, JavaScript, Rust, etc... ActivityPub and Solid compatible

PouchDB, the JavaScript Database that Syncs!

An open protocol for per-user storage on the Web

RxDB is a fast, local-first NoSQL-database for JavaScript Applications like Websites, hybrid Apps, Electron-Apps, Progressive Web Apps and Node.js

SignalDB is a reactive, local-first JavaScript database with real-time sync, Optimistic UI and signal-based reactivity

A cross-platform runtime for Web developers to build desktop & mobile apps for any OS using any frontend library. - socketsupply/socket

SyncedStore - Javascript CRDT based real-time sync

Triplit is a complete solution to data persistence, state management, and realtime synchronization for web applications that want to go fast.

Verdant

Make collaborative, multiplayer or local-first applications

WatermelonDB

✨🤝✨ Build instant multiplayer webapps, no server required — Magic WebRTC matchmaking over BitTorrent, Nostr, MQTT, IPFS, Supabase, and Firebase - dmotz/trystero

Amplify DataStore provides a programming model for leveraging shared and distributed data without writing additional code for offline and online scenarios, which makes working with distributed, cross-user data just as simple as working with local-only data. AWS Amplify Documentation

Collabs Documentation — Collabs documentation

The easiest way to use IndexedDB. A lightweight, minimalistic wrapper that provides a straightforward API for developers using IndexedDB.

Mobile ad-hoc mesh networking and peer-to-peer data sync for your enterprise applications.

Tiptap is a suite of open source content editing and real-time collaboration tools for developers building apps like Notion or Google Docs.

The platform for scaling sync engines, based on the infra behind Figma and Google Docs. With first class support for Y-Sweet, a Yjs realtime sync engine.

Liveblocks Storage is a realtime sync engine designed for multiplayer creative tools such as Figma, Pitch, and Spline.

Liveblocks Yjs is a realtime sync engine designed for collaborative text editors such as Notion and Google Docs.

Logux is a client-server communication tool for collaborative web applications with optimistics UI, offline first and live updates

Loro - Reimagine state management with CRDTs | Built for local-first software.

Replicache is a client-side datastore and sync framework for building local-first web apps. It works with most backend stacks.

The polyglot solution to the federated social web

Yjs Shared Editing

Y-Sweet is an open source Yjs realtime sync engine with built in storage to S3. Designed for collaborative design and text editors such as Figma and Google Docs.

Legend-State is a super fast and powerful state library that enables fine-grained reactivity and easy automatic persistence - LegendApp/legend-state