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RunCat 365 vs Sidebar Diagnostics: catalog facts
RunCat 365	Sidebar Diagnostics
Free Free and open source under the Apache 2.0 licence.	Free Free and open source under the GPL-3.0 licence.
Windows	Windows
Glanceable CPU load indicator in the taskbar Lightweight and simple	Always-visible sidebar instead of a separate window Covers CPU, RAM, GPU, network and drives
Windows only Shows a rough indication rather than detailed metrics	Windows only Last code change was in early 2024
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License: GPL-3.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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