Popular hacker geohot has reappeared on the Android scene where he released a root for the Samsung Galaxy S4 Active.

hit up geohot.com/activeroot on your device
because I'm too new to post links
supporting for the next hour in #xda-devs on freenode
it's my first android root, be kind. feedback welcome.

For those of you with the S4 Active, you can find instructions on rooting your device here. Goehot's apk can be downloaded from the link below. Hopefully we will see him back on the iOS scene for the release of the iPhone 5S and iOS 7.