Top news of 2015 in open source (Opensource.com)

Opensource.com looksat its top stories for 2015. "This year saw continuedgrowth for both use and adoption of open source software in theenterprise software market. Many companies made some of their software opensource, like Google, Facebook, Apple, Microsoft, and others. Also,Microsoft acquiredRevolution Analytics, an open source data analytics company. Fun fact: IBM made ~50 applications open source this year."