WAFRN is a federated social media platform designed as an alternative to Tumblr, focusing on privacy and decentralization. It offers features similar to Tumblr, such as customizable posts and emoji reactions, while allowing users to connect across different platforms in the Fediverse using the ActivityPub protocol. WAFRN emphasizes inclusivity, with policies against harassment and content restrictions found on more traditional platforms, creating a space for users to freely express themselves. It’s currently in active development, and users are encouraged to host their own instances if desired.
Feature-wise, it’s entirely different from Mastodon and other Twitter-clone. Though, these days Mastodon copies a lot of features from Tumblr as well.
Example difference: quote feature (not the same as exisiting Mastodon implementation), custom UI, discovery layout, etc.