It is confirmed . F5 who deals with networking gears and load balancing stuff has acquired NGINX for a reported 670 million USD. There are fear among users about whether it will stay free or not. Some think that developers will fork the open source Nginx and make it available free it moves to a free pricing model.
F5 will maintain the brand with current NGINX CEO, Gus Robertson, and founders, Igor Sysoev and Maxim Konovalov, joining F5 to continue to lead NGINX
F5 is more vocal about keeping the project available to its current users and maintain the brand and leadership