BeagleBone is a low cost, credit card sized, single board computer with a Sitara ARM Cortex-A8 processor running at 720 MHz, 256 MB of RAM, two 46-pin expansion connectors, on-chip Ethernet, a microSD slot, and a USB host port developed by Texas Instruments and as it was originally designed for hobbyist and enthusiasts, it is an open source board. It was announced in October 2011 at a price of 89$.An updated version of BeagleBone named BeagleBone Black was lauched with an increases in RAM to 512 MB, the processor clock to 1 GHz, and it adds HDMI and 2 GB of eMMC flash memory. Like Raspberry Pi, BeagleBone also runs on linux but we can also install Android 4.0 as well.For more info visit http://learningembedded.com/beaglebone/