Dev tools · alternatives · 2026
24 alternatives to CRDT research, with Swift code and real-time collaboration over iCloud
Contribute to archagon/crdt-playground development by creating an account on GitHub.
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. CRDT research, with Swift code and real-time collaboration over iCloud launched in 2018; newer entries below may have overtaken it.
- 1
Hi HN! Matrix-CRDT connects the worlds of Yjs [1] (a proven, high performance CRDT) with that of Matrix.org [2]. It started as an experiment, asking myself; can we store "state updates of a datastore" in Matrix instead of chat messages? Now, I'm convinced it's actually a really powerful combination to develop real-time, collaborative software. I'm using it for a new project and so far didn't have to write a backend yet. Matrix takes care of a lot of stuff: Authentication, E2EE, federation, hosting, etc. - so I can focus on the client. I love the ideas of Local First [3] software. Personally,…
2022 · github.com · its alternatives →
- 2
This is an experimental extension for CRDTs, pg_crdt: GitHub repo[0]. It supports Yjs/Yrs and Automerge. The linked blog post [1] describes how we're thinking about this extension in a Supabase context. I want to emphasise this part: "pg_crdt has not been released onto the Supabase platform (and it may never be). We’re considering many options for offline-sync/support and, while CRDTs will undoubtedly factor in, we’re not sure if this is the right approach." [0] GitHub repo: https://github.com/supabase/pg_crdt [1] Blog post:…
2022 · supabase.com · its alternatives →
- 3
2018 · archagon.net · its alternatives →
- 4
File manager + CRDT Note Editor. Contribute to notebox/nbfm development by creating an account on GitHub.
2024 · github.com · its alternatives →
- 5WC
2017 · medium.com · its alternatives →
- 6
A Github-hosted curriculum on Swift for teachers by Apple
2015 · swifteducation.github.io · its alternatives →
- 7CO
Hi HN, Like many of you here, this is not my first time applying to YC. Each time, my co-founder and I would copy the YC application to google docs to collaborate on it, then we copy it back to submit. This got us thinking - why can't we just collaborate on the YC application in the YC application? At one point I went down the CRDT rabbit hole and realized collaborative forms would be a great use of CRDTs, so I decided to build this out to an MVP. If you're curious about CRDTs (Conflict-Free Replicated Data Types) and how they differ from OT (Operational transformation, which is what powers…
2024 · togetherform.com · its alternatives →
- 8
I've always been curious about real-time multiplayer user interfaces. When I found out about CRDTs and Yjs[1] I thought they could serve as a solid base for a project like that. So I built this pretty simple desktop-like UI (heavily inspired by lifeat.io) and used Yjs to replicate the whole UI state among multiple peers, creating the experience of a unique interface. Try online: https://yboard.lol [1]: https://github.com/yjs/yjs
2022 · github.com · its alternatives →
- 9SC
SyncedStore is a library for building distributed, real-time collaborative web applications that sync automatically. This used to be quite complex, but with SyncedStore it's as easy as sharing a pie!
2021 · syncedstore.org · its alternatives →
- 10
Learn serious code on your iPad in a seriously fun way
2016 · developer.apple.com · its alternatives →
- 11
GitHub City▲249Create a 3D city from your GitHub contributions
2022 · honzaap.github.io · its alternatives →
- 12
Create anytime, anywhere, together with CodeSandbox for iOS
2022 · apps.apple.com · its alternatives →
- 13
- 14
Summary of Apple's Swift language written on Playgrounds
2016 · github.com · its alternatives →
- 15AL
This is a demo of a family of libraries intended to make it easy to build local-first, real-time applications for mobile, desktop and the web using CRDTs. It currently has support for using Sqlite, PostgreSQL or a plain old record store (Hive) as data storage backend. https://github.com/cachapa/crdt There's also a websocket sync layer that transparently handles the connection and delta changesets between participants. https://github.com/cachapa/crdt_sync
2023 · draw.cachapa.net · its alternatives →
- 16
- 17
An ephemeral contest to learn Swift by doing. Contribute to realm/summer-of-swift development by creating an account on GitHub.
2014 · github.com · its alternatives →
- 18ET
One year ago I started to explore combining CRDTs with end-to-end encryption to allow people to collaborate on the same documents/data. Couple months back I got a first prototype working. Think of a simple Google Docs, but end-to-end encrypted and offline-first (iOS & Android for now). Why CRDTs? Every document is a CRDT data structure. This is very important for conflict resolution. With CRDTs this can happen on the client and everyone can resolve to exactly the same state of the document once all the updates are synchronised. This basically allows to exchange the updates/data via…
2021 · its alternatives →
- 19
notes on things. Contribute to yoshuawuyts/knowledge development by creating an account on GitHub.
2016 · github.com · its alternatives →
- 20
CRDT support in Postgres (experimental). Contribute to supabase/pg_crdt development by creating an account on GitHub.
2025 · github.com · its alternatives →
- 21
Here you can find some insights into GitHub real-time contribution, including pull request events grouped by programming languages, top 5 active repositories and developers last 24 hours.
2022 · live.ossinsight.io · its alternatives →
- 22
Node.js Interpreter for iOS 7. Contribute to node-app/Interpreter development by creating an account on GitHub.
2013 · github.com · its alternatives →
- 23
Swift Playgrounds on Windows! Contribute to save-buffer/swift-repl development by creating an account on GitHub.
2019 · github.com · its alternatives →
- 24OC
Hi! I’m one of the founders of s2.dev, and recently have been hacking on opbox, which is an open-source daemon that turns directories of text files (code, markdown, etc) into collaborative, multi-player workspaces. This started as a bit of an intellectual curiosity, to see if it was possible to do real-time sync at the filesystem level (i.e., in an editor-agnostic way). The idea is pretty simple: - Opbox workspaces are roughly analogous to git repositories (and can be used alongside existing git repos, to share live changes between commits) - When the opbox daemon is running in a workspace…
Jul 2026 · opbox.dev · its alternatives →
Also compare
- Matrix-CRDT – real-time collaborative apps using Matrix as backend alternatives
- Pg_CRDT – an experimental CRDT extension for Postgres alternatives
- Domain-tailored CRDTs for collaboration without server involvement alternatives
- Serverless collaborative notion-level note editor using CRDT in GO alternatives
- Working code for Operational Transformation/CRDT hybrid alternatives
- Teaching App Development with Swift alternatives
Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →