Вот что они про себя пишут:

"Iron is free and OpenSource. You can download it and share with your friends.

We’ve covered SRWare Iron in the past. It’s a privacy-conscious version of Google Chrome with many features removed completely. It also removes Chrome’s auto-updater — you’ll have to manually download new versions from the SRWare Iron website.

To be honest, SRWare Iron doesn’t offer much over Chrome. You can change the privacy options in Chrome yourself. SRWare Iron also ships with a custom start page with advertisements and, when you click the “Get more extensions” link, it takes you to SRWare Iron’s own page listing extensions — also filled with ads."

Скачать тут: http://www.srware.net/en/software_srware_iron_download.php
Там же есть Portable-версия!