This week's book giveaway is in the NodeJS forum. We're giving away four copies of Serverless Applications with Node.js and have Slobodan Stojanovic & Aleksandar Simovic on-line! See this thread for details.
Any particular reason why you couldn't think of a few yourself? When I want to practice a new language, I can usually think of a number of simple apps to try out what I've learned about the language. Just curious as to why you feel others would have a better idea of what your range of knowledge and limitations might be. Wouldn't you know better? ¯\_(ツ)_/¯