HaikuJAM - Create collaborative poetry with friends or strangers
Poemix - Remix your text into poetry
Commaful - Largest multimedia fiction site in the world. A lot of short stories, poetry, and fanfiction.
Doom Haikus 2020 - Explore 2,700 gloomy haikus about 2020 news
Jott - Fast, local, linked notes
BotList - An app store for bots