CRDT Implementations

https://localfirstweb.dev/

• https://yjs.dev/

  • Platzhirsch

• https://dxos.org/

  • marketing

  • beta signup

• Introduction – Tiptap

  • yjs server

• https://liveblocks.io/pricing

  • saas

  • typescript

  • Comments, Notifications, Text Editor, Realtime APIs

• Logux

  • „framework to make local-first sync engine“

  • typescript

  • MIT

• Loro – Reimagine state management with CRDTs

  • good docs, e.g. List and Movable List – Loro

  • rust, typescript

  • MIT

• m-ld

  • architecture / standard?

  • mqtt, leveldb, python, rust, swift, java

  • MIT, multiple projects

• PowerSync: Postgres and SQLite sync engine

  • server proprietary, but FSL

  • pricing with sync operations

  • Flutter integration in Demo Apps / Example Projects

  • Apache 2 for clients

• Replicache

  • –> Reflect –> We’re shutting down Reflect and shifting our focus to Zero.

  • meh

• Sockethub

  • „translation layer for web applications to communicate with other protocols and services that are traditionally either inaccessible or impractical to use from in-browser JavaScript“

  • cool.

• TinyBase

  • key-value, tabular data, listeners, react hooks

  • sync via „WebSockets, the browser BroadcastChannel, or your own custom synchronization medium“

  • MIT

• Verdant

  • minimalistic

  • AGPL v3

• Vulcan - state, simplified – vlcn.io

  • sqlite with CRDT merge

  • MIT

https://crdt.tech/implementations

• json-joy

  • wants to build the spec

  • many small tools, react-heavy streamich

• Sync | ElectricSQL

  • sync (what we actually want), cloud in alpha

  • PGlite | ElectricSQL nice: 3MB WASM Postgres (Show HN)

Flutter Development   Powersync