Compare software

PRTG Network MonitorSysGauge
Freemium

Free for up to one hundred sensors. Larger deployments require a paid licence.

 Freemium

A free version is available; paid editions can be purchased.

Windows, Web, Self-hosted Windows
  • One hundred sensors free forever, which covers a small network
  • Autodiscovery, maps and alerting configured through one interface
  • Monitors local and remote computers
  • Covers server roles such as SQL Server, IIS and Active Directory
  • Licensing is per sensor and gets expensive quickly
  • Windows server only, closed source
  • Windows only
  • Some features are reserved for paid editions
Self-hosted Downloadable app
Closed source Closed source
License not stated License: Proprietary
Not stated if an account is needed No account needed
Not stated if it works offline Works offline

Checked September 22, 2026

Checked October 2, 2026

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