Cost / License
- Paid
- Proprietary
Platforms
- Mac

PortKiller is described as 'Cross-platform port management tool for identifying listening ports, managing Kubernetes forwards, handling Cloudflare Tunnels, and terminating processes instantly' and is an app in the network & admin category. There are more than 10 alternatives to PortKiller for a variety of platforms, including Windows, Mac, Linux, Flathub and Self-Hosted apps. The best PortKiller alternative is TCP Viewer. It's not free, so if you're looking for a free alternative, you could try TCPView or CurrPorts. Other great apps like PortKiller are Tauno Monitor, Serial Port Monitor, PortNote and Port Checker.

If you're a firmware developer or an embedded software developer then this tool has been made for you. This modernly designed desktop application serves as a development tool to help view serial data on your COM port.




AccessPort is serial port monitoring tool for technicians, engineers and software developers designing or debugging serial port related projects.

Free Software to monitor (bi-directional) Serial Port communication RS232 between two devices, use our free Bill Serial Port Monitor. This software allows you to view, log, analyse the activity of your full duplex serial RS-232 port.

A lightweight macOS status bar app that monitors and manages development processes running on ports 2000-6000. The app provides real-time process detection and allows you to kill individual processes or all processes at once.

Listen32 tap into RS-232 transmit signals for monitoring bi-directional communications between two devices. Two COM ports are used in the listening device, the receive line of each connected to the transmit line of one of the communicating devices.




This project is a cross-platform serial port assistant. It can run on Windows, Linux, Android, and macOS.

