NoLag vs Liveblocks
Liveblocks is collaboration infrastructure focused on multiplayer experiences: presence, live cursors, comments, and conflict-free shared state for collaborative editors and whiteboards. NoLag is general-purpose realtime messaging built on pub/sub, open source and run on your own infrastructure, with a collaboration blueprint among its blueprint SDKs.
Short version: if your product is a collaborative document or canvas and you want conflict-free shared state out of the box, Liveblocks is purpose-built for that. If you need realtime across many app patterns, not just collaborative editing, and want to run it yourself, NoLag is built for that.
At a glance
| NoLag | Liveblocks | |
|---|---|---|
| Core model | Realtime pub/sub over WebSocket | Collaboration primitives over WebSocket |
| Primary focus | General-purpose realtime messaging | Collaborative editing and multiplayer UIs |
| High-level SDKs | Blueprints for chat, notify, feed, dashboards, tracking, collab, and more | Presence, comments, conflict-free storage |
| Delivery | Presence, acknowledged publishes | Presence, shared storage, awareness |
| SDKs | JavaScript/TypeScript (including React Native), Go, Python | Client libraries and framework bindings |
Where NoLag is different
- General-purpose realtime. Chat, notifications, dashboards, tracking, IoT, and collaboration are all blueprints on one broker, not a single collaboration model.
- Software you run. kraken is an Apache-2.0 container on your own infrastructure, so your realtime layer is not tied to a vendor.
- Multi-language. First-class JavaScript/TypeScript, Go, and Python SDKs for backends and devices, not just frontend collaboration.
Where Liveblocks is a strong fit
- Your product is a collaborative editor, whiteboard, or design tool.
- You want conflict-free shared state and awareness handled for you.
- Your realtime needs are centred on multiplayer editing.
When to choose NoLag
- You need realtime across many patterns, not just collaborative editing.
- You want to run realtime on your own infrastructure.
- Your backend services and devices need to publish too, from Go or Python.
Try it
Follow the 5-minute quick start, read the self-hosting guide, then look at the high-level SDKs.