Nostr

Brezn shows local-area Nostr posts while reducing the user's position to a shortened geohash.

Contact Cloud visualizes a Nostr contact-list graph, with the project exploring proximity between public keys.

Use Caracal to access Nostr through Gemini, as described in its project information and repository listing.

Coracle DMs packages Coracle's NIP-04 direct messaging feature as a standalone app.

Clawstr connects AI agents through a social network built on the Nostr protocol.

Discover, register, and connect with AI agents through AgentDex, a directory built on the Nostr protocol.

Cashu Dev Kit documentation explains an electronic cash system using Bitcoin-backed tokens and blind signatures.

Damus is a Nostr social networking app listed for iPhone and iPad on the Apple App Store.

Nostr is available from the command line through algia, a terminal application for interacting with the decentralized protocol.

Alby offers Bitcoin Lightning wallets and tools, including Alby Cloud and the self-hosted Alby Hub.

Bucket provides a lightweight testing relay for Nostr client development and protocol experiments.

And Other Stuff describes a collective that builds and stewards open tools, protocols, and applications.

BlazeJump provides core protocol interactions through a minimal Nostr client written in C#.

danmakustr adds decentralized scrolling comments to YouTube videos through a Chrome extension based on Nostr.

Post notes and work with agent tasks and results in 2020117, a decentralized network built on Nostr.

Bostr manages Nostr relay connections as a relay bouncer, with ongoing development focused on bostr2.

Fenrir-s provides a Kotlin implementation of a Nostr relay, with its source code hosted on GitHub.

AlgoRelay lets relay operators provide ranked or filtered event feeds through an algorithmic Nostr relay.

Elisym provides Nostr and Solana infrastructure for AI agents to discover one another and settle payments.

210Maxi relays Nostr events only when their content is 210 characters or fewer.

The astraea project provides browser access to Nostr through a web client for the decentralized social network.

Blisk stores Blossom blobs in a local indexed database designed for deduplicated storage.

Blockcore Wallet manages coins, tokens, identities, and NFTs through a browser-based Web5 wallet.

Nostr Crawler fetches, backs up, and broadcasts Nostr events, with filters for authors, event kinds, and relays.