FKILL
Cross-platform tool to kill processes
To kill a port, prefix it with a colon. For example: :8080. Run without arguments to use the interactive interface. Run fkill without arguments to launch the interactive UI. Force kill processes that did not exit within the given number of milliseconds. Kill all child processes along with the parent process. (Windows only). Ignore capitalization when killing a process. Note that the case is always ignored on Windows. Suppress all error messages. For example: Process doesn't exist.