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System InformerTaskSlinger
Free

Free and open source under the MIT licence.

 Freemium

The beta is free until version 1.0; the developer plans to sell a perpetual license.

Windows Windows
  • Open source under the MIT licence, unlike the Sysinternals equivalents
  • Detailed stack traces with kernel-mode, WOW64 and .NET support
  • Shows processes, performance, services, startup apps, connections, and system information
  • Provides process inspection tools and service and startup item controls
  • Windows 10 or later only
  • Its kernel driver is sometimes flagged by security software
  • Available for Windows 10/11 x64
  • The free release is beta software
Downloadable app Downloadable app
Open source Closed source
License: MIT License not stated
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 21, 2026

Checked October 8, 2026

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