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Rambox vs Caprine: catalog facts
Rambox	Caprine
Freemium A free plan is available. Additional features require a paid subscription.	Free The software is free under its open-source licence. Hosting, hardware and external…
Windows, macOS, Linux	Windows, macOS, Linux
Several accounts of the same service signed in side by side Workspaces and unified notifications across hundreds of services	It adds a dark theme, keyboard shortcuts, custom styles and privacy options such as hiding typing indicators and…
The open-source community edition is end of life; the current product is closed source Running many web apps in one Electron window uses a lot of memory	It is an unofficial wrapper around the Messenger web app, so Facebook changes can break it, and the…
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: MIT
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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