The best open source alternative to Stacer is BleachBit. If that doesn't suit you, our users have ranked more than 25 alternatives to Stacer and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Stacer are Tron Script, Resources, GNOME System Monitor and Pachtop.
BleachBit deletes unnecessary files such as cache and cookies to enhance privacy and disk space efficiency on Linux and Windows. It supports numerous applications including web browsers, office suites, and multimedia tools.
![BleachBit user interface in dark mode [source: official documentation]](https://img.alternativeto.net/s/618x394/avif/bleachbit_608743_full.png)
Tron is a collection of programs, tools, utilities, and Windows functions that are all scripted together. Those programs and such are designed to remove malware and bloatware, repair damaged operating systems, update old versions of very common applications, free up drive space...
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.
System Monitor is a tool to manage running processes and monitor system resources.
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
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.
Software installer of a helpful program list, able to do changes on system configuration, updates, execute improves, fixes, executing actions to blow of mouse click.
System Monitoring Center gets information about system performance and usage.
All-in-one system utility to clean temporary files, review registry entries, uninstall programs, and tweak Windows performance.
Gives the user a powerful control center to toggle on and off many system settings in Ubuntu, it is able to change system configurations, system updates, executable improvements, small system fixes, and more at the touch of a button.
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