Here we have a list of similar projects. It is important to get to know other projects in order to be able to cooperate harmoniously. We should try to understand their origin, and - very importantly - find the ideas, that these other people found attractive enough to start these projects.
Here are the projects:
Created mostly by a corporation "1999-2006 eHow, Inc.". For monetary profit. Defines itself as "Clear Instructions on How To Do (just about) Everything". Has a Wiki section "The How-To Manual That Anyone Can Write or Edit".
Here is not the place for discussion. Just the descriptions.