Random concepts to help with creativity. Amazing what you can make with just three words
Find the latitude and longitude coordinates of a place here: https://www.latlong.net/ then have it make a poem about that place for you. Or just go to the site and see what it makes.
Creative writing prompt tools
A bit like Oblique Strategies. Random inspiration but online.
Click on the Special:Random link to get real items to use in your writing. I got "Swarfega" and a Serbian footballer.
Short digital creative prompts, with people sharing their creations via hashtags. Something new to do almost every day. Go there and give one a go.