
Best Yjs CRDT alternatives in 2026
8 direct alternatives to Yjs CRDT, compared on pricing, features, and best-for use cases. Pick the right replacement without the marketing fluff.
LCCurated by Louis Corneloup · UpdatedWhy people consider alternatives to Yjs CRDT
Yjs is a Conflict-free Replicated Data Type (CRDT) library designed to simplify the creation of collaborative applications. Teams most often switch away when one of these starts to bite:
- •Pricing at scale (rare for this tool, but feature limits push teams out)
- •Missing integrations with the rest of your stack.
- •Performance or scale limits as your needs grow.
- •A specific feature gap you have hit in developer tools.
The 8 alternatives below cover the same core job (developer tools) with different trade-offs. Ranked by real-signal score: G2 and Capterra ratings, media mentions, and editor review. No paid placement.
8 alternatives to Yjs CRDT
Ranked by real-signal composite (rankingScore + community + reviews) and direct relevance to Yjs CRDT.
- 1

Stream
FreemiumAdd chat and activity feeds to your app
Direct alternative4.5(75)Compare Yjs CRDT vs Stream → - 2

Supabase
FreemiumOpen source Firebase alternative
Direct alternative4.7(33)Compare Yjs CRDT vs Supabase → - 3

Automerge
FreeVersion control for your data, enabling local-first, conflict-free, multiplayer applications.
Direct alternativeCompare Yjs CRDT vs Automerge → - 4

Google Cloud
PaidBattle-tested at scaleEnterprise cloud with AI/ML strengths and BigQuery
Direct alternative4.6(7,225)Compare Yjs CRDT vs Google Cloud → - 5
Azure
PaidBattle-tested at scaleMicrosoft's cloud, essential for enterprises running Windows
Direct alternative4.4(97,447)Compare Yjs CRDT vs Azure → - 6

Mailchimp Transactional
FreemiumBattle-tested at scaleSend targeted and event-driven emails and SMS messages with best-in-class deliverability.
Direct alternative4.4(30,300)Compare Yjs CRDT vs Mailchimp Transactional → - 7

GitLab
FreemiumBattle-tested at scaleThe most comprehensive AI-powered DevSecOps platform for secure and accelerated software delivery.
Direct alternative4.6(2,085)Compare Yjs CRDT vs GitLab → - 8

Jira MCP Server
FreeBattle-tested at scaleJira MCP Server is Atlassian's official Model Context Protocol server that connects Jira Cloud to AI assistants like Cla
Direct alternative4.4(23,083)Compare Yjs CRDT vs Jira MCP Server →
Frequently asked questions
What is the best alternative to Yjs CRDT?
Based on real-signal scoring (G2 and Capterra ratings, media mentions, and editorial review), the top alternatives to Yjs CRDT are Stream, Supabase, Automerge. Each solves the same core job with different trade-offs on pricing, features, and integrations.
Is there a free alternative to Yjs CRDT?
Yes. Stream is one of the freemium alternatives to Yjs CRDT listed here (Add chat and activity feeds to your app). Other freemium options are flagged in the list below.
Why do people look for Yjs CRDT alternatives?
Common reasons teams switch away from Yjs CRDT: pricing that scales aggressively, missing integrations with the rest of their stack, performance or scale limits, or a specific feature gap in developer tools. The alternatives on this page solve the same core problem with different trade-offs.
Side-by-side comparisons
In-depth comparison pages for Yjs CRDT versus each alternative.
Still considering Yjs CRDT?
See the full review, pricing breakdown, and community feedback before you decide.