You can keep an eye on my google spreadsheet for free airdrops. The link is in my twitter, make sure to use a wallet and not an exchange ethereum adress.

Checking around on the forums for traction is a good way to find upcoming projects that you'd actually want to spend eth to buy. Look for a lot of users using the same signature then look into the websites / teams. It takes a combination of marketing and fundamentals for new coins to get noticed.