Component Appendix by IOS creates alphanumeric Indices for your Elxis sections. Component set up is very easy. All you have to do is to set the sections IDs which you wish component Appendix to create appendices for. When an Alpha Index letter (or digit) is clicked then component Appendix will show you all the content items, starting from this letter (or digit) for the selected section. Appendix alternatively can show you the categories starting from that letter. Now provided for free!
Component Appendix till version 1.0 was a commercial extension. Since version 1.1 Appendix is provided for free! You can freely download and use it for any purpose you like but you are not allowed to modify the component and/or the copyright notes. Read the full license here: Creative Commons No Derivative Works 3.0