Google Wave was an online communication and collaborative real-time editor tool. Launched September 1, 2009; shut down April 30, 2012 — it lived 2 years. One of 23 Google products killed in 2012. Google Wave, later known as Apache Wave, was a software framework for real-time collaborative online editing. Originally developed by Google and announced on May 28, 2009, it was renamed to Apache Wave when the project was adopted by the Apache Software Foundation as an incubator project in 2010. Wiki link Data: Killed by Google (killedbygoogle.com, MIT).