SOFA Statistics version 1.1.4 is available for dowload.
Read about the improvements here : Further improvements in 1.1.4 « Statistics Open For All.
Download here: http://www.sofastatistics.com/downloads.php
This book will be useful to everyone who has struggled with displaying their data in an informative and attractive way. You will need some basic knowledge of R (i.e. you should be able to get your data into R), but ggplot2 is a mini-language specifically tailored for producing graphics, and you'll learn everything you need in the book. After reading this book you'll be able to produce graphics customized precisely for your problem.