Iron 14.0.850.0 on Puppy Linux 5.2.8 Lucid Puppy showing the new tab page.
|Initial release||September 18, 2008|
|Stable release||26.0.1450.0 (Windows) / April 9, 2013|
|Operating system||Linux, Mac OS X, Microsoft Windows|
|Size||30.4 MB (Iron 26.0.1450.0 for Windows)|
|License||Proprietary ("all rights reserved")|
SRWare Iron, or simply Iron, is a freeware web browser implementation of the Chromium source code by SRWare of Germany, which primarily aims to eliminate usage tracking and other privacy-compromising functionality that the Google Chrome browser includes. While Iron does not provide extra privacy compared to Chromium after proper settings are altered in the latter, it does implement some additional features that distinguish it from Google Chrome, such as built-in ad blocking.
Iron is issued by SRWare under an "all rights reserved" license, indicating that it is made from a combination of proprietary and free software, although in download page SRWare claims "Iron is free and OpenSource." 
More recent versions of Iron have been released since then, which has gained the features of the underlying Chromium codebase, including Google Chrome theme support, a user agent switcher, an extension system, integrated Adblocker and improved Linux support.
If a user has Chromium installed, attempting to run Iron and Chromium simultaneously will open a new window of the first browser opened. Iron and Chromium also share all data (i.e. Bookmarks, History, etc.).
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