Velt

Velt is a JavaScript collaboration SDK for developers that lets B2B SaaS products add real-time multiplayer features in hours—powered by CRDT/Yjs, no infrastructure to build.

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JavaScript collaboration SDKreal-time co-editing APIB2B SaaS collaboration pluginYjs CRDT SDKmultiplayer editor integrationcollaborative comments APIWebSocket sync component

Features of Velt

Real-time co-editing with presence & cursor tracking via Yjs CRDTs

Contextual commenting: sidebar, media annotations & arrow pins

Loom-style video capture + AI transcription and instant replay

Slack-style Huddles & in-app notification center

Comment modes: freestyle, popover, stream, inline

SDK, REST API, Webhooks, React components—drop-in or headless

Works out-of-the-box with TipTap, SlateJS, Lexical

Dev console, live debugger & activity logs for instant visibility

Single-editor lock & follow mode for granular permissions

White-label UI & zero-downtime data migration tools

Use Cases of Velt

Ship Google-Docs-style co-editing inside your doc editor in one sprint

Add commenting & feedback threads to dashboards or CMS without rebuilding

Embed screen + voice capture with auto-transcripts in EdTech or support apps

Show who’s online and where they’re working in any SaaS workspace

Replace scattered emails with in-context comments for faster reviews

Let marketing teams annotate videos, images or copy in real time

Give sales & support shared notes inside your CRM for seamless hand-offs

Prototype multiplayer features in days to validate product-market fit

FAQ about Velt

QWhat is Velt?

Velt is a developer-first JavaScript SDK that plugs real-time collaboration—multiplayer editing, comments, video notes—into any B2B SaaS using Yjs CRDTs.

QWho should use Velt?

Teams building B2B SaaS: online document editors, CMS, dashboards, video platforms, CRMs—any product that needs Google-style collaboration fast.

QHow does Velt achieve real-time sync?

It pairs Yjs CRDTs with managed WebSocket infrastructure so conflicts resolve automatically and you skip building servers or OT algorithms.

QHow do I integrate Velt?

Install the npm SDK, drop React components, or call REST APIs and Webhooks. Docs, tutorials and a browser playground ship with every plan.

QIs there a free trial?

Visit velt.dev for current pricing and trial options—no credit card required to start.

QCan I self-host Velt?

Yes. Enterprise plans include on-prem deployment and migration tooling so data never leaves your VPC.

QHow fast is the collaboration?

Optimistic UI, debouncing and virtual rendering keep sub-100 ms latency under normal conditions; actual numbers depend on payload and network.

QWhich rich-text editors are supported?

TipTap, SlateJS and Lexical are officially supported with full plug-ins; others can connect through the generic adapter.

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