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

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