Categories

Federated social platforms and clients built on ActivityPub and the AT Protocol: Mastodon, Lemmy, PeerTube, Pixelfed, Bluesky apps and the servers behind them.

Apps, signers, relays and services built on Nostr, the relay-based protocol for social media and messaging that users control with their own keys.

Networks, gateways and services that store files across many independent providers instead of one cloud: IPFS, Filecoin, Arweave, Storj, Sia and self-hosted sync tools.

Chat, voice and video that runs on open protocols or peer-to-peer networks: Matrix, XMPP, SimpleX, Session, Briar and the servers and clients around them.

Self-sovereign identity, verifiable credentials and proof-of-personhood: DID methods, wallet and credential infrastructure, and sign-in standards that avoid platform accounts.

Physical infrastructure networks built by contributors: wireless coverage, mapping, weather and sensor data, GNSS corrections, bandwidth and connectivity.

Decentralized compute marketplaces, GPU networks and self-hosting platforms that replace centralized cloud providers for apps, AI workloads and personal servers.

Naming systems outside the traditional registrar stack: ENS, Handshake, Namecoin, multichain name services, resolvers and gateways for decentralized websites.