By SpiderHunts Technologies · June 2, 2026 · 3 min read
Real-time collaboration, live cursors, presence indicators, multiplayer editing, has moved from "nice to have" to "table stakes" for many SaaS products in 2026. Figma, Notion, Linear, Pitch, and dozens of others have set the expectation. Three credible technical paths: Yjs (CRDT library), Liveblocks (managed collaboration), Tiptap (collaborative editor framework), and combinations thereof. Here is the practical guide.
What Real-time Collaboration Actually Means
Real-time collaboration covers: presence (who is here), live cursors (where they are), collaborative editing (changes apply simultaneously), conflict resolution (when two users edit the same thing), and history (who changed what when).
The hard part is conflict resolution. CRDTs (Conflict-free Replicated Data Types) are the modern solution: they let multiple users edit the same data structure simultaneously with mathematical guarantees about convergence.
Yjs: The CRDT Foundation
Yjs is the dominant CRDT library in 2026. Open source, well-maintained, used by Notion, Linear, and many others under the hood. Provides shared data types (text, arrays, maps) that automatically resolve conflicts and sync between clients.
Yjs is a library: you still need to provide the network layer (WebSockets, WebRTC, or HTTP) and persistence layer (database). Right when you want full control or already have infrastructure.
Cost: free (open source). Hosting and persistence are your responsibility.
Liveblocks: Managed Collaboration Platform
Liveblocks is the managed real-time collaboration platform. Hosted WebSocket infrastructure, presence APIs, broadcast events, storage, comments, notifications, and a strong developer experience.
Used by Glean, Mintlify, Vercel's v0, and many SaaS products that wanted to skip the infrastructure work. Strong React SDK; weaker for non-React stacks.
Pricing: free for development up to 10 monthly active users; team plans from USD 99/month; enterprise on request.
Tiptap: Collaborative Editor Framework
Tiptap is a headless WYSIWYG editor framework built on ProseMirror, with first-class real-time collaboration via Y.js integration. The default choice when your collaboration centres on document editing.
Pricing: free for the core editor; paid tier (Tiptap Pro) from USD 149/month adds collaboration extensions, AI features, document storage, and more.
How to Choose
Use Liveblocks when you want a fast path to collaboration features (presence, cursors, comments) without building infrastructure. Right for most React-based SaaS products in 2026.
Use Tiptap (+ Y.js + a sync server) when collaboration centres on document editing: Notion-like, Google Docs-like products.
Use Yjs directly when you have existing WebSocket infrastructure, when you need maximum flexibility, when Liveblocks pricing is becoming expensive at your scale, or when you have specific custom requirements platforms cannot accommodate.
Hybrid is common: Tiptap for the document editor + Y.js underneath + Liveblocks or a custom server for the sync layer.
Implementation Patterns
Presence and live cursors: lightweight, can be implemented with Liveblocks Presence API or a simple WebSocket server. Updates 4-10 times per second.
Collaborative document editing: needs CRDT (Yjs) + a sync server + persistence. More complex; full implementation takes 4-12 weeks.
Multi-user data editing (not just text): Yjs supports shared arrays, maps, and lists. Use for things like collaborative kanban boards, spreadsheets, drawing tools.
Comments and reactions: usually best built on top of Liveblocks Comments or a simple REST + WebSocket setup. Not strictly real-time but feels real-time when WebSocket notifications are wired up.