How to make own CMS

Every day millions of new web documents emerge on the Internet, and the amount of web management tools is growing simultaneously. These tools are usually referred to as Content Management Systems, CMSfor short. If you have a web site and still do not use any CMS, you will definitely face a choice to buy or to develop an enterprise content management solution in the near future. What would you do if you wanted to develop a CMS, your own software that has a WYSIWYG editor and perfectly meets all your requirements and security standards?