Jon Hicks presents a guide to creating the perfect favicon size image from scratch using Adobe Illustrato. Some history included. Planning for the various uses for example iOS, Chrome Web Store, Pinned Site IE 9 in addition to the general use in all web browsers.
Takes a letter and color and makes a favicon. You can download or allow them to host it for you! No image uploading or editing, just text and backgrounds. Faviconist
Editor to create various icon sizes from the web browser. X-icon Editor
Online editor. You can draw with pixels. You can import graphic 16×16 pixels. Favicon Editor – faviconeditor.com
Editor, generator and gallery. Favicon Editor – favicon-generator.org
Editor, import graphics and gallery. Your icon may be added to their gallery. A animation feature.Favicon.cc
Explains the importance of having a Favicon. No details on design or making one but gives you a general plan of action.LetÂ’s Talk About The Importance Of Favicons. 2012
A good place to get a broad overview. Wikipedia.