DietPi Alternatives

Simple operating system based on Linux that uses "modules", and loads everything into RAM. Can be persistent too.

FatDog64 is the lightweight 64-bit multi-user Linux distribution.

Auto arrange all your app windows, whether on one screen or many with a single click!

Try for free freemium $39.99 / Annually (One PC, One Year)

Plop Linux is a small distribution built from scratch that can boot from CD, DVD, USB flash drive...

DebianDog is very small Debian Live CD shaped to look and act like Puppy Linux.

CRUX is a lightweight Linux distribution for the x86-64 architecture targeted at experienced Linux...

Learn how to install Porteus, about Porteus modules and getting porteus to work with wifi internet.

runs all your existing IBM OS/2 programs on today's hardware

Lubuntu is a fast and lightweight operating system with a clean and easy-to-use user interface. The core of the system is based on Linux and Ubuntu. Lubuntu uses the minimal desktop LXDE, and a selection of light applications.

Ubuntu is a Debian Linux-based open source operating system for desktop computers.

Open Source

9 hours ago - It does include a proprietary software set optimized for business users, students, researchers and developers." A list of features and further details can be found in the company's release announcement.

Pi-hole is a multi-platform, network-wide ad blocker.

Open Source

ToaruOS is the complete operating system for the desktop operating system of ARMv8.

Mezzano is another operating system that is written in a common lisp.