vBulletin - Build a community website with the leading forum software, vBulletin 5 Connect, or in the cloud on vB Cloud!
Universal Book Reader - Just like its name, Universal Book Reader is really a universal book reading application allowing you to read the eBooks from the convenience of your smartphones.
XenForo - Intuitive. Social. Engaging. Fast. XenForo brings a fresh outlook to forum software.
Cool Reader - Fast and small cross-platform eBook reader for desktops and handheld devices
Flarum - Flarum is the next-generation forum software that makes online discussion fun. It's simple, fast, and free.
iReader - iReader is one of the most accomplished ways to read the books right from your smartphones.