DietPi Alternatives

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

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

Holistic service management: service, support + customer care. From Ticketing to Helpdesk, Service Desk, ITSM to Enterprise Service Management

Try for free freemium €5000.0 / One-off (5 User)

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

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

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

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

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.

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

Open Source

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

Open Source

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

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.

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