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SysGauge vs System Informer: catalog facts
SysGauge	System Informer
Freemium A free version is available; paid editions can be purchased.	Free Free and open source under the MIT licence.
Windows	Windows
Monitors local and remote computers Covers server roles such as SQL Server, IIS and Active Directory	Open source under the MIT licence, unlike the Sysinternals equivalents Detailed stack traces with kernel-mode, WOW64 and .NET support
Windows only Some features are reserved for paid editions	Windows 10 or later only Its kernel driver is sometimes flagged by security software
Downloadable app	Downloadable app
Closed source	Open source
License: Proprietary	License: MIT
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 September 21, 2026

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