For a weekend project you should choose something useful to you so you have motivation to finish it. Are you a blogger? Write your own blogging software so you

For a weekend project you should choose something useful to you so you have motivation to finish it. Are you a blogger? Write your own blogging software so you don't have to deal with Wordpress and ton of plugins, build something tailor made for you. That's just an example but I recommend choosing something which will benefit you personally as a weekend project otherwise it might be difficult to motivate yourself to finish it.