Compare software

Caprine vs Messenger: catalog facts
Caprine	Messenger
Free The software is free under its open-source licence. Hosting, hardware and external…	Free Free to use with a Meta account.
Windows, macOS, Linux	Web
It adds a dark theme, keyboard shortcuts, custom styles and privacy options such as hiding typing indicators and…	Reaches people who already use Facebook Messaging and video calls in one place
It is an unofficial wrapper around the Messenger web app, so Facebook changes can break it, and the…	Requires a Meta account Closed source and run by an advertising company
Downloadable app	Web application
Open source	Closed source
License: MIT	License not stated
Not stated if an account is needed	Account 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 23, 2026

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