Compare software

CurrPortsRustNet
Free

Freeware from NirSoft; free to redistribute as long as nothing is charged.

 Free

The software is free under its open-source licence. Hosting, hardware and external…

Windows Windows, macOS, Linux, Android, Command line
  • Shows the process, path and user behind every open port
  • Can close TCP connections and kill the owning process
  • It shows TCP, UDP and QUIC connections with the owning process and detected protocol, sandboxed by default and…
  • Official requirements list Windows versions up to Windows 10
  • The 'Use DNS Cache For Host Names' option leaks memory during long auto-refresh sessions
  • It is a young project, and deep packet inspection still needs elevated capture permissions.
Downloadable app Downloadable app
Closed source Open source
License: Freeware License: Apache-2.0
No account needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked October 8, 2026

Checked September 22, 2026

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