This site will help you make a Twitterbot! They're easy to make and free to run.
To use it, create a Twitter account for your bot to run under and then sign in below. The bots are written in Tracery, a tool for writing generative grammars developed by Kate Compton. This site is run by v buckenham - they can be contacted at vtwentyone@gmail.com. You can support this site on Patreon.
Update (13th Feb 2023): Twitter is restricting API access, which means: