Which are the Internet Explorer/Trident Based browsers that are still being updated?

I know there are some that suddenly stopped development like The World Browser a href="http://www.ioage.com)" rel="nofollow"http://www.ioage.com)/a and Acoo Browser (a href="http://www.acoobrowser.com)" rel="nofollow"http://www.acoobrowser.com)/a