Arduino-Board is the go-to source for information on many available Arduino and Arduino-like boards, tutorials and projects.
Arduino-Board.com provides information on Arduino and Arduino clones, information on microcontrollers in general, and most importantly, information on how to Arduino.
This site started as an obsessive curiosity about Arduino and it’s seemingly endless clones. To date, 82 boards have been reviewed.
Tutorials and projects have been building up as well. All tutorials and projects are built and tested during the process of writing the articles.