OS & Utilities
This category includes computer operating systems and the tools to manage and maintain them: disk and registry cleaners, temporary files deleters, duplicate file locators, disk space analysis, disk defragmenters, software and process managers, fonts, drivers, partitions, and startup and boot managers. Moreover, you can monitor system activities, share input devices, and customize and enhance your desktop with software that helps in changing icons, wallpapers, your taskbar, or your shell.
Most popular apps

Rufus
Formats USB drives to various file systems and creates bootable USBs from ISOs. Supports MS-DOS/FreeDOS bootable sticks and offers BIOS or UEFI options.
F-Droid
Discover and install FOSS Android apps with ease. Privacy-focused, ad-free, and no registration required, F-Droid offers a lightweight alternative.

BleachBit
Erase unnecessary files like cache and cookies, maintain privacy, and optimize disk space on Linux and Windows. Supports various applications and uses.
Linux Mint
Linux Mint is one of the most popular desktop Linux distributions and used by millions of people. The purpose of Linux Mint is to produce a modern, elegant and comfortable operating system which is both powerful and easy to use. Latest: Wilma (22).

Ventoy
Ventoy is an open source tool to create bootable USB drive for ISO files. With ventoy, you don't need to format the disk again and again, you just need to copy the iso file to the USB drive and boot it.

Ubuntu
Ubuntu is a community developed, Linux-based operating system that is perfect for laptops, desktops and servers. It contains all the applications you need - a web browser, presentation, document and spreadsheet software, instant messaging and much more.
WinDirStat
Disk analysis tool with treemap views, duplicate file detection, and cleanup actions. Works offline and ad-free on Windows as an open-source project.
Debian
The Debian Project is an association of individuals who have made common cause to create a free operating system. This operating system that we have created is called Debian.