https://www.vice.com/en_us/article/5dgm5k/truth-social-is-mastodon-trump

Former President Donald Trump’s new social network ’Truth Social’ is seemingly a thinly disguised fork of popular social network codebase Mastodon.

Users have already found ways to create accounts on the site despite it not officially launching until later this year. With that access, screenshots that various users took show the site is very similar to Mastodon in appearance.