ameoba OS is described as 'amoeba OS is an advanced online OS, also known as a "Webtop" or "Cloud OS". With amoebaOS, you can run apps online with your files in the cloud, and even develop cloud apps. Use a YouTube video as your desktop, or edit photos directly in your DropBox account' and is an website in the OS & Utilities category. There are more than 50 alternatives to ameoba OS, not only websites but also apps for a variety of platforms, including Linux, Mac, Windows, BSD and Self-Hosted solutions. The best alternative is Debian, which is both free and Open Source. Other great sites and apps similar to ameoba OS are Linux Mint (Free, Open Source), Arch Linux (Free, Open Source), Fedora (Free, Open Source) and Windows 10 (Paid).
The OpenMandriva distribution is a full-featured Linux desktop and server, sponsored by the OpenMandriva Association, and is based on ROSA, a Russian Linux distribution project which forked Mandriva Linux in 2012.
Superb Mini Server (SMS) is a Slackware-based server distribution with web, DNS, DHCP, file, print and fax servers, iptables firewall, mail server with spam filter and anti-virus scanner, and BitTorrent station.
UberStudent is a free, full-featured, user-friendly Linux operating system for learning, doing, and teaching the essential skills of academic success at the higher education and advanced secondary levels. It is supported by a free virtual learning environment.