Migrating to Mastodon Resources
Collecting resources for people who want to migrate.
Finding A Server
instances.social filters instances based on how you answer questions
Register of regional mastodon instances
A list of mastodon instances with descriptions
Finding your Twitter contacts in the Fediverse
Movetodon a tool for finding old twitter friends.
Fedifinder another tool for finding twitter friends.
Explainers
PC Mag's How to Get Started
WSJ Mastodon Explainer
Migrating between servers
Other Social Media Alternatives
Apps
Mastodon Apps There's a lot of choice in the space and this is the best organized collection of mastodon apps I've found.