“OpenStack and Docker will continue to dominate the open-source cloud discussion,” according to Williams. “But Docker may prove to gain the most as it is also breeding a diverse ecosystem of open-source projects. OpenStack is primarily contained (no pun intended) to the development of its own cloud operating system.”

The survey gathered information from more than 550 respondents over a two-week period in July, and the results were announced at CloudOpen North America, a Linux Foundation trade show earlier this week.