Start with the problem in front of you
These resources pair reproducible macOS commands with the exact boundaries of Portsmith’s visual workflow. They avoid a common source of bad port advice: saying that a port is a process, assuming every listener belongs to your user, or reaching for force termination before identifying the owner.
Terminal + visual workflow
Find the process using a port on Mac
Identify a listener with lsof, inspect its process, stop it safely, verify the port is free, and understand common EADDRINUSE failures.
Read the guideProduct documentation
How Portsmith handles security and privacy
A precise account of same-user visibility, TCP-only scope, process termination gates, permissions, telemetry, and update traffic.
Read the guideInstallation guide
Download and install Portsmith
Check the current version and system requirements, install the notarized DMG, and understand the first-launch experience.
Read the guide