Server Fault - Server Fault is a Q&A site for system administrators and IT professionals that's free.
Boost for reddit - Meet Boost – a beautiful reddit app designed to make browsing reddit easier.
Reddit - Reddit gives you the best of the internet in one place. Get a constantly updating feed of breaking news, fun stories, pics, memes, and videos just for you.
Infinity for Reddit - A Reddit client on Android written in Java.
X (Twitter) - Connect with your friends and other fascinating people. Get in-the-moment updates on the things that interest you. And watch events unfold, in real time, from every angle.
RedReader - RedReader - An unofficial open source Reddit client for Android.