This PDF manual is ideal for offline reading, or even to be printed out. Currently 109 pages, the PDF is about 15 MB. Please download iRed2ManualV23.pdf (Version 2.3 of October 2013).
The online manual is under construction, too. It contains some screenshots from previous (beta) versions!.
If you are user of iRed 1, you may find some familiar elements, while others are pretty new. iRed2 will import all your data from iRed 1 (while leaving its data untouched), so the upgrade should be painless.
Please visit the chapters of this manual listed below, or use the search function on the left to look for specific aspects.