I will permanently close my services such as the Monero Public Node (mainnet, stagenet, and testnet), Peertube and Mastodon as of June 25, 2023.
Mastodon is free and open-source software for running self-hosted social networking services. It has microblogging features similar to the Twitter service, which are offered by a large number of independently run nodes, known as instances, each with its own code of conduct, terms of service, privacy policy, privacy options, and moderation policies.