Arduino is an open-source electronics prototyping platform based on flexible, easy-to-use hardware and software.
Metaboard is a USB based prototyping board for Atmel's AVR microcontrollers. It is designed to be (mostly) compatible with Arduino.
Related Article: http://www.geocities.jp/arduino_diecimila/obaka/project-5/index_en.html
Small Arduino compatible USB host board. Take control of your Android phone or other USB device in your next project.
This tutorial will take you through all the steps of making your own printed circuit board(PCB), building an Arduino or "DIY-Duino" and loading your own programs/sketches onto the board you have built.
The SolderCore is a revolutionary embedded development platform in the Arduino form factor based upon a modern, peripheral-rich, 32-bit (ARM Cortex-M3) microcontroller. The standard SolderCore comes pre loaded with a complete and sophisticated BASIC interpreter called CoreBASIC.
A C implementation of Tiny Basic, with a focus on support for Arduino.
Related link: http://ec2-122-248-210-243.ap-southeast-1.compute.amazonaws.com/mediawiki/index.php/Arduino_Basic