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Sidebar Diagnostics vs Desktop Info: catalog facts
Sidebar Diagnostics	Desktop Info
Free Free and open source under the GPL-3.0 licence.	Free Free download from the developer's site.
Windows	Windows
Always-visible sidebar instead of a separate window Covers CPU, RAM, GPU, network and drives	Runs on the desktop, in a window, as a screen saver or as a service Custom WMI, performance counter and PowerShell queries
Windows only Last code change was in early 2024	Windows only The many configuration options take time to learn
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
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 1, 2026

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