Here is the Songwriters Resource Directory providing a collection of useful resources for songwriters.
Here’s a tip for when you finish a ‘draft’ of a new song. Have a checklist handy to ensure that you aren’t just spinning your wheels, and that you have truly finished something before you send it out. Ask yourself if the song structure that you have chosen to use is one that is easily recognized. Remember, surprises are good at Christmas and parties, not when you’re trying to sell a song.