4 open source tools I used to write a Linux book: 
I spent the past year or so writing Learn Linux in a Month of Lunches, which is designed to introduce desktop Linux to non-technical users. This is a rundown of the tools I used to create the book, with the HUGE caveat that tools are just that—tools. They don’t actually do any work or planning for you. However, the right tools make the work much easier. These are the tools that were right for me.
read more: Opensource.com stevenov
Supporting Open Source.
Have you tried: Travelling to South Africa?