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toeverything /AFFiNE

Sponsor

Star63.1k

There can be more than Notion and Miro. AFFiNE(pronounced [ə‘fain]) is a next-gen knowledge base that brings planning, sorting and creating all together. Privacy first, open-source, customizable and ready to use.

electron editor markdown rust app wiki notes table rust-language workspace whiteboard tableview rust-lang crdt knowledge-base notion miro notion-alternative

UpdatedFeb 20, 2026
TypeScript

pubkey /rxdb

Sponsor

Star23k

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

nodejs couchdb graphql postgres firebase angular react-native database ionic nosql pouchdb sqlite realtime localstorage indexeddb crdt realtime-database rxdb browser-database local-first

UpdatedFeb 20, 2026
TypeScript

yjs /yjs

Star21.3k

Shared data types for building collaborative software

offline-first peer-to-peer decentralized realtime p2p collaboration crdt yjs shared-editing collaborative-editing

UpdatedFeb 15, 2026
JavaScript

amark /gun

Sponsor

Star18.9k

An open source cybersecurity protocol for syncing decentralized graph data.

machine-learning cryptography crypto encryption database big-data graph offline-first protocol end-to-end dapp decentralized blockchain realtime p2p artificial-intelligence crdt web3 metaverse dweb

UpdatedFeb 5, 2026
JavaScript

automerge /automerge-classic

Sponsor

Star14.7k

A JSON-like data structure (a CRDT) that can be modified concurrently by different users, and merged again automatically.

javascript offline-first crdt

UpdatedMar 14, 2023
JavaScript

electric-sql /electric

Star9.9k

Read-path sync engine for Postgres that handles partial replication, data delivery and fan-out.

postgres sync elixir sql replication offline sqlite crdt crdts local-first

UpdatedFeb 20, 2026
Elixir

berty /berty

Sponsor

Star9.1k

Berty is a secure peer-to-peer messaging app that works with or without internet access, cellular data or trust in the network

android ios privacy react-native encryption offline-first surveillance messaging ipfs p2p mobile-app monorepo cybersecurity crdt censorship libp2p gomobile orbitdb berty

UpdatedFeb 20, 2026
TypeScript

orbitdb /orbitdb

Star8.7k

Peer-to-Peer Databases for the Decentralized Web

database peer-to-peer ipfs decentralized p2p distributed crdt libp2p merkle-crdt

UpdatedAug 5, 2025
JavaScript

supabase /realtime

Sponsor

Star7.5k

Broadcast, Presence, and Postgres Changes via WebSockets

postgres distributed-systems elixir phoenix realtime postgresql pubsub crdt cdc phoenix-framework change-data-capture

UpdatedFeb 20, 2026
Elixir

toeverything /blocksuite

Sponsor

Star5.5k

🧩 Content editing tech stack for the web - BlockSuite is a toolkit for building editors and collaborative applications.

editor components block state-management webcomponents wysiwyg collaboration crdt rich-text-editor wysiwyg-editor block-editor yjs local-first components-library notion-editor

UpdatedFeb 17, 2026
TypeScript

loro-dev /loro

Sponsor

Star5.4k

Make your JSON data collaborative and version-controlled with CRDTs

offline-first p2p crdt rich-text collaborative-editing privacy-first local-first

UpdatedFeb 5, 2026
Rust

microsoft /FluidFramework

Star4.9k

Library for building distributed, real-time collaborative web applications

microsoft realtime fluid collaboration distributed crdt fluid-framework datastructure

UpdatedFeb 20, 2026
TypeScript

colanode /colanode

Sponsor

Star4.6k

Open-source and local-first Slack and Notion alternative that puts you in control of your data

electron editor slack chat wiki sqlite self-hosted crdt knowledge-base chat-application notion yjs realtime-collaboration team-collaboration local-first notion-alternative

UpdatedFeb 9, 2026
TypeScript

liveblocks /liveblocks

Star4.4k

Liveblocks gives you the building blocks and infrastructure to enable people and AI to work together inside your app.

react real-time toolkit multiplayer websockets collaboration crdt comments presence yjs ai-agents commenting-system notifications-systems yjs-provider liveblocks ai-copilot

UpdatedFeb 20, 2026
TypeScript

vlcn-io /cr-sqlite

Star3.6k

Convergent, Replicated SQLite. Multi-writer and CRDT support for SQLite

database sqlite crdt

UpdatedOct 25, 2024
Rust

aspen-cloud /triplit

Star3.1k

A full-stack, syncing database that runs on both server and client. Pluggable storage (indexeddb, sqlite, durable objects), syncs over websockets, and works with your favorite framework (React, Solid, Vue, Svelte).