It depends on your motivation. Do you want the tool? Or do you want the experience of building it? Is it just for you, or do you want/hope/expect other people t

It depends on your motivation. Do you want the tool? Or do you want the experience of building it? Is it just for you, or do you want/hope/expect other people to use it? If it's just for you, and you just want the tool, use a google spreadsheet. If it's just for you, and you want the experience of building it, then create a simple PHP script, and use a flat file to store your magazines. If your hope is to build a "real" web app, with user accounts and all that, then you've got a lot of choices. Start with a list of features and functionality you want in your app, and put them in order of priority (including "user signs in", "user recovers password", etc). Choose a technology, and start piecing together those features. Use stack overflow, and find communities for the technology you've chosen. Ask for help often. Take your time, and have fun.