URSWriter.com is about Defining User and Functional Requirements for Process Manufacturing
It is intended to help people to write good specifications. And over the couple of years that it has been on the web it has been improved when I get time.
The web site has some unobtrusive advertising – if you are wondering, at present this just about covers the cost of the hosting and of course adds a few dollars to Google profits. And it also generates some interesting resources for further exploring the topic.