



The best open source alternative to Process Lasso is Mission Center. If that doesn't suit you, our users have ranked more than 25 alternatives to Process Lasso and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Process Lasso are Resources, Glances, Process Governor and KSysGuard.




Resources is a simple yet powerful monitor for your system resources and processes, written in Rust and using GTK 4 and libadwaita for its GUI.




Glances is a cross-platform monitoring tool which aims to present a large amount of monitoring information through a curses or Web based interface. The information dynamically adapts depending on the size of the user interface.




Process Governor is a Python utility designed to manage Windows processes and services by adjusting their priorities, I/O priorities, and core affinity based on user-defined rules.





KSysGuard, also known as KDE System Guard and KDE System Monitor, is designed to make simple process control available to a user without needing to do any special setup - the defaults are usually perfectly adequate.

System Monitor is a tool to manage running processes and monitor system resources.




Shows up the memory hogs and or programs stuck in limbo - Great

Pachtop is a lightweight, performant, and opensource system monitor that provides real-time monitoring of your system's performance, application monitoring, and detailed system information. Built with Rust and Tauri



Automatically ends browser processes in Chrome or Chromium using too much CPU, including tabs, extensions, subframes, renderers, and even background scripts, to prevent resource drain, combat cryptomining, boost stability, and maintain smooth browsing.

Easy to use application for monitoring and controlling running processes.

vtop is a graphical command-line tool that uses unicode braille to chart CPU and memory usage. It can be easily extended.

jdSystemMonitor is an advanced, desktop-independent system monitor for Linux. Its goal is to provide as much information about your system as possible, with a focus on process management.








Unfortunately it doesn't have the automation capabilities of Process Lasso... but of those I've found it's the best and most complete in managing the basics: Priority, Affinity, etc.