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Alma vs Witsy: catalog facts
Alma	Witsy
Free The site lists no price for the app; usage of the connected AI providers is billed by…	Free The open-source software is available without a license fee. Hosting, hardware and…
Windows, macOS, Linux	Windows, macOS, Linux
Several AI providers and custom APIs in one interface Persistent memory that you can view and edit	Works with local model servers as well as cloud APIs.
Depends on external AI provider APIs Pricing and licensing details are not stated on the website	Cloud connections require your own provider credentials.
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: AGPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.