> Every single project, open source or not, needs to have a "Why Use It" page.
Not only that, but a mention of all the major competitors with an honest factual comparison with them is really handy as well. In the FLOSS world, naming competitors won't necessarily cause a major problem and does a huge amount for trust.
You have to ask yourself, if your building a product and you know nothing about it's potential competitors, what are you really doing?
Research is key my opinion. It avoids cases of "Hey guys, look what I invented! I call it the wheel.."
Not only that, but a mention of all the major competitors with an honest factual comparison with them is really handy as well. In the FLOSS world, naming competitors won't necessarily cause a major problem and does a huge amount for trust.