elementary OS is designed to be a simple, easy-to-use distribution using the best of free/open source software, with only one application per task. The project aims to improve the applications that they use. elementary OS Jupiter was released April 1, 2011. elementary OS Luna was released August 10, 2013. elementary OS Freya 0.3.2 was released December 9, 2015. elementary OS Loki 0.4.1 was released May 17, 2017. elementary OS Juno 5.0 beta 1 was released July 3, 2018.