EasyAR is an Augmented Reality Engine that is easy to use and free. If you are new to EasyAR, you may want to start from here.
EasyAR 1.3 is the latest version of EasyAR. This version include multi-target tracking support and optimizations for detection and tracking, and also power reduction.
EasyAR offers many samples both for Unity and native develop, simple to run. These samples demonstrate various methods of target creation, and video playback including streaming video and transparent video. There are also some advanced topics for real-time target creation from camera image and building a 3D coloring book.
Most markers in the samples can be played with SightPlus using cloud recognition. Many of them are interesting AR Games. Download SightPlus from http://www.sightp.com and enjoy!
EasyAR never stops evolution since the first public reveal. Major changes since the first public release are,
* improved Unity interfaces
More features and improvements are coming!