Chromium OS can be termed as Next generation OS. Its base for chrome and is an open source project. It has easy sync options for all accounts. It takes less time to boot-up and has less hardware requirement. Chrome OS is specifically optimized for web with less bandwidth requirements. Many extension are available and project is well maintained. In short, Chromium is an open source project that aims to build a safer, simpler yet faster and more stable way for all Internet users to experience web.

It has much similarities with Chrome, but it is an open source web OS, which has simple look, more secure. Its installation takes very less time for all the OS's I have used and booting is super fast. Also it makes cloud storage so simple, and has lots of extensions. It provides access to all your google accounts, and syncs your data to cloud which is more safer to store. Support is better like other open source OS's.

Chromium which has much similarities with the chrome.Clean and neat interface which handles the problem of finding the basic accessible features within no time.Its boot up time and advanced security features handles all kind of malware s and threats. Easy installation which takes just few minutes. Some special extensions which are only available for Chromium.