Fediverse
The Fediverse is a decentralized social networking platform consisting of interconnected servers that communicate using open protocols like ActivityPub. It allows users to join various independent communities (instances) while interacting across them, enabling a federated and user-controlled alternative to centralized social media. Popular applications include Mastodon for microblogging, PeerTube for video sharing, and Pixelfed for photo sharing.
Developers should learn about the Fediverse to build or integrate with decentralized, censorship-resistant social applications that prioritize user privacy and data ownership. It's particularly useful for creating interoperable social tools, enhancing digital sovereignty projects, or contributing to open-source platforms that avoid vendor lock-in and algorithmic manipulation common in centralized services.