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Clutch vs Umwelt

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

Clutch compared with Umwelt
DetailClutch logo ClutchUmwelt logo Umwelt
What it doesAn extensible platform for infrastructure management An epistemic state engine that tracks what each character knows, and how they learned it
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelOpen source Open source
PricingNot 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
  • Role-based access control (RBAC) for granular access control
  • Built-in auditing with integration points for external systems
  • Single sign-on support
  • Resolver pattern for resource discovery
  • Server-generated forms for API-frontend synchronization
  • Extensible architecture with configuration-driven deployment
  • Deployable as single binary with backend and frontend
  • Extensive logging and stats capabilities
  • 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
  • Highly extensible with extension points throughout the stack for custom integrations
  • Single binary deployment for simplicity
  • Combines safety-focused design with flexible extensibility
  • Frontend components designed for developers with limited frontend experience
  • Built for discovery with resolver pattern for multiple resource names
  • 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 planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)33 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)84
Citation Flow (Majestic)2712
Referring domains (Majestic)581

4 details filled in for both companies.

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