@dzbot/ui vs Umwelt

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

@dzbot/ui compared with Umwelt
Detail	@dzbot/ui	Umwelt
What it does	The dzbot look for your own community website: a Tailwind CSS theme and React components for dzbot Pro customers	An epistemic state engine that tracks what each character knows, and how they learned it
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Paid	Open source
Pricing	Included with dzbot Pro subscription	AGPL-3.0-only open source license. Commercial license available for closed-source products, services and hosted APIs. Free Play Exception covers free games, mods, interactive fiction and tabletop tools (excluding games with price, in-game purchases, ads, paid content or early access).
Key features	Tailwind CSS 4 theme with server color customization Distinctive shape language: cut corner and octagon Router integration and internationalization support Dark mode with HUD-inspired design Loading states and async action handling Status indicators with icon and text Typography: Bebas Neue, Barlow, JetBrains Mono fonts	Tracks what each character knows and how they learned it Prevents AI models from leaking story information or twists Records confirmed history that is never deleted Single portable .umw file for entire world state Works across TypeScript, .NET, CLI and any language via JSON protocol Query from any character's point of view at any moment in time Performance of 55-65 microseconds per query with half a million holdings Free Play Exception for non-commercial games and tabletop tools
What makes it different	Designed and used in the dzbot web app itself, ensuring production-ready components Your community site matches your server's dzbot page in color and design Source-available under the dzbot UI License with clear usage terms Integrates seamlessly with @dzbot/sdk for server data and authentication	Separates world state from character knowledge to prevent narrative leakage Guarantees written down with conformance testing across all clients Idempotent writes ensure consistency across retries Works without AI or can control what AI models are allowed to know Open source with commercial licensing option for closed-source products
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	30 +3 (up) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	0	4
Citation Flow (Majestic)	4	12
Referring domains (Majestic)	0	1

5 details filled in for both companies.

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