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Rainmeter vs Zebar: catalog facts
Rainmeter	Zebar
Free Free and fully open source under the GNU GPL version 2.	Free Free, with source code published on GitHub.
Windows	Windows, macOS, Linux
Skins cover everything from hardware meters to audio visualisers and full desktop redesigns Skins are readable text files you can inspect and modify	Runs on Windows, macOS and Linux Builds bars, widgets and popups from one tool
Windows only Skins you install can fetch data from the network; read them first	Custom widgets require some coding or borrowed configs Less turnkey than a stock taskbar replacement
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 24, 2026

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