Just a suggestion for people who want to cross post from Mastodon to Twitter. Mastodon by default has an RSS feed of your account. Just add .rss to your profile address like this:
Using this method, any service that posts to Twitter from RSS can act as a cross poster.
@mike nice tip!
Fosstodon is an English speaking Mastodon instance that is open to anyone who is interested in technology; particularly free & open source software.