The Apache License is a free software license authored by the Apache Software Foundation (ASF). The Apache License requires preservation of the copyright notice and disclaimer. All software produced by the ASF or any of its projects or subjects is licensed according to the terms of the Apache License. Some non-ASF software is also licensed using the Apache License. As of November 2010, over 6000 projects located at SourceForge.net were available under the terms of the Apache License. In a blog post from May 2008 Google mentioned that 25,000 out of the 100,000 projects then hosted on Google Code were using the Apache License. including the android operating system. The Apache License 1.0 was the original Apache License which applies only to older versions of Apache packages (such as version 1.2 of the Web server). The Apache License 1.1 was approved by the ASF in 2000: The primary change from the 1.0 license is in the 'advertising clause' (section 3 of the 1.
Contributions by Gronky, Eloquence, and Apotheon.