There are many free versions of Twitter clone source code, including this Ruby on Rails tutorial: https://web-crunch.com/posts/lets-build-with-ruby-on-rails-7-

There are many free versions of Twitter clone source code, including this Ruby on Rails tutorial: https://web-crunch.com/posts/lets-build-with-ruby-on-rails-7-twitter-clone https://web-crunch.com/posts/lets-build-with-ruby-on-rails-7... The real challenge isn’t building a Twitter clone, it’s everything that comes around it- like having a consistent content moderation policy, following relevant privacy laws, growing engagement with a good discovery engine, and most of all getting people to be willing to try your app in the first place.