The Nostr gateway is an effort to pull Nostr data from relays around the nostrsphere into HTML pages for the consumption of the unnostrinitiated.
A decentralized network based on cryptographic keypairs and that is not peer-to-peer, it is super simple and scalable and therefore has a chance of working.
Read more at https://github.com/nostr-protocol/nostr or see a giant list of all things, good and bad, made with Nostr, at nostr.net.
You can also reach us at our Telegram group while we don't have a decent group chat application fully working on Nostr.