BroadPaper vs Umwelt

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

BroadPaper compared with Umwelt
Detail	BroadPaper	Umwelt
What it does	Embeddable report designer for React and Angular applications	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	GB	Not given
Pricing model	Paid	Open source
Pricing	Not given	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	Structured document model with blocks, sections, rows and columns Automatic pagination with orphans, widows and repeated headers WebAssembly PDF engine for browser and Node rendering AI template design with schema validation .NET 8 and .NET 10 client library	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	No server-side PDF library required - WebAssembly engine runs in the browser or Node Type-safe data binding with schemas - autocomplete and validation Same JSON template renders across environments - browser, Node, .NET, render service Minimal integration - thirty lines of code to mount designer	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)	Not checked yet no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	18	4
Citation Flow (Majestic)	17	12
Referring domains (Majestic)	50	1

4 details filled in for both companies.

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