14.7k
Automerge Classic
A JSON-like data structure (a CRDT) that allows concurrent modifications by different users and automatically merges them.
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Development🛠️
Tools📦
Version Control
3 Open Source Alternatives to Yjs
Looking for an open-source alternative to Yjs? Below are 3 community-built tools that offer similar functionality — all free, open source, and ready to use or self-host. Ranked by GitHub stars.
6.2k
Automerge
Automerge is a powerful library that provides a JSON-like Conflict-free Replicated Data Type (CRDT) data structure, enabling concurrent modifications by different users and automatic merging of changes. It helps developers build collaborative and offline-first applications with strong consistency guarantees.
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Development🧰
Framework💫
State🛠️
Tools
4.5k
Liveblocks
Liveblocks provides customizable, real-time collaborative features—presence, comments, storage, and AI-powered workflows—to turn your app into a multiplayer experience. Designed for modern apps needing real-time collaboration and seamless user interaction, Liveblocks enables developers to easily integrate collaborative and AI-ready features without overhauling their product roadmap.
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API⚡
Productivity🤖
AI🌐
Web
Frequently asked questions
What are the best open-source alternatives to Yjs?
The top picks from this list are Automerge Classic, Automerge, Liveblocks — all maintained, free to use, and self-hostable.
Are these alternatives to Yjs free?
Yes. Every tool listed here is open source and free to use. Many can be self-hosted on your own infrastructure, which means no subscription fees and full control over your data.
Can I self-host an alternative to Yjs?
Most of the alternatives listed are self-hostable. Check each tool's page for hosting details, system requirements, and licensing terms.
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