Go Fucking Do It - Set a deadline and a price. If you fail, you pay.
Fake Tweet Generator - Generate convincing fake tweet images
Decidr - Make better decisions with quick A/B polls
Faking Fake Tweets - Cause not only politicians can tweet fake news
AbTest.io - A free url shortener with A/B testing features
TweetyAI - Write down your Twitter username and generate your next tweet.