- [nostr](https://github.com/nostr-protocol/nostr) - overview and FAQ
- [NIPs](https://github.com/nostr-protocol/nips) - the "**N**ostr **I**mplementation **P**ossibilities" describe the protocol in technical detail
- [sovereign-stack](https://www.sovereign-stack.org) - a tool that helps you deploy nostr relays and create self-hosted (bitcoin-only) Value4Value websites.
- [expensive relay](https://github.com/fiatjaf/expensive-relay)- a relay that requires payment for registration
- [me.untethr.nostr-relay](https://github.com/atdixon/me.untethr.nostr-relay) - a relay written in Clojure
- [nostrpy](https://github.com/monty888/nostrpy) - relay, client, and other tooling in python
- [nostream](https://github.com/Cameri/nostream) - a nostr relay written in Typescript backed by PostgreSQL (renamed from nostr-ts-relay)
- [søstr](https://github.com/metasikander/s0str) – a private nostr relay written in rust, saves all notes from one pubkey and publish them to anyone that requests them
- [knostr](https://github.com/lpicanco/knostr) – a nostr relay implemented in Kotlin with support for Postgres and metrics(micrometer).
- [PyRelay](https://github.com/johnny423/pyrelay)  – a python implementation of a nostr relay, using asyncio.
- [strfry](https://github.com/hoytech/strfry)  – C++ implementation backed by LMDB with efficient syncing of events using merkle trees
- [branle](https://github.com/fiatjaf/branle) - a Twitter-like client with chat. Some instances:
- [branle.netlify.app](https://branle.netlify.app/) - by fiatjaf
- [nostr.rocks](https://nostr.rocks/)
- [branle.wlvs.space](https://branle.wlvs.space/)
- [branle tor](http://hbn4yzl3qkzi3qpse6nvljbduzcdecaq76tbcfjfzmoaik3q3uryxuad.onion/3bf0c63fcb93463407af97a5e5ee64fa883d107ef9e558472c4eb9aaaefa459d) - on tor
- [astral](https://github.com/monlovesmango/astral) - a branle fork with global feed and UI makeover
- [damus](https://github.com/damus-io/damus) - a twitter-like nostr client for iOS and MacOS
- [more-speech](https://github.com/unclebob/more-speech) - desktop client for nostr written in Clojure
- [futr](https://github.com/prolic/futr) - nostr client desktop app written in Haskell
- [noscl](https://github.com/fiatjaf/noscl) - a basic command-line client written in Go
- [loquaz](https://github.com/emeceve/loquaz) - a desktop app written in Rust for direct encrypted chat
- [nostr console](https://github.com/vishalxl/nostr_console) - a nostr command line client written in Dart. Binaries available for Windows, Linux, and MacOS
- [ArcadeCity](https://github.com/ArcadeCity/app) - Public group chats and P2P services (WIP) over nostr
- [second exchange](https://github.com/cynsar-foundation/second.exchange) - an experiment to work out something of like medium, something of creator economy where users are rewarded for engaging in quality discussion and most importantly engaging in governance-related discussion
- [scalastr](https://github.com/benthecarman/scalastr) - A barebones nostr client written in scala
- [Nostros](https://github.com/KoalaSat/nostros) - A nostr mobile client for Android
- [Nostrify.me](https://github.com/lightningorb/nostrify.me) - Nostr client built in SvelteKit.
- [Nostrify.me](https://nostrify.me) - Live instance.
- [NostrEmitter](https://github.com/cmdruid/nostr-emitter) - Simple E2E encrypted client and EventEmitter object
- [Lightning.Pub](https://github.com/shocknet/Lightning.Pub) - A nostr daemon for Lightning nodes
- [shockwallet](https://github.com/shocknet/wallet2) - A Lightning wallet that uses nostr and lnurl to connect to nodes
- [coracle](https://github.com/staab/coracle) - A nostr web client
- [Bija](https://github.com/BrightonBTC/bija) - A desktop client written in python. Currently Linux only
- [Nosky](https://github.com/KotlinGeekDev/Nosky) - A native Android client for Nostr. Still in development
- [Stackerstan](https://stackerstan.org) - A decentralised organisation built on Bitcoin and Nostr, implemented as a replicated state machine in Golang
- [nostr-java](https://github.com/tcheeric/nostr-java) - A nostr client API written in java, for generating, signing and publishing events to relays
- [gossip](https://github.com/mikedilger/gossip) - A desktop client in rust presented with egui
- [Attached](https://github.com/dyegolara/nostr-attached) - Open-Source ReactNative Expo app for Nostr (iOS, Android). Currently under app stores review.
- [Member](https://github.com/memberapp/memberapp.github.io) - Progressive Web App Client. Works on desktop and mobile.
- [dispute](https://github.com/ethicnology/dispute) - A cross-platform (Linux, Android, iOS, MacOs, Windows and Web) client for NOSTR
- [Hamstr](https://github.com/styppo/hamstr) - A twitter-style web client based on astral
- [Nozzle](https://github.com/kaiwolfram/Nozzle) - A Twitter-like native Android client written with Jetpack Compose
- [electron-nostr](https://github.com/wds4/electron-react-boilerplate-nostr) - A bare-bones desktop nostr client using electron-react-boilerplate. Goal is to be an easy template for people to experiment with different ideas on decentralized ratings, reputation, and web of trust
- [Nostrid](https://github.com/lapulpeta/Nostrid) - Multi-platform client currently offering binaries for Android and Windows.
- [Nostrid.Web](https://web.nostrid.app/) - A preview version of Nostrid running completely on the browser. It can be installed locally as PWA.
- [nostr-chat-widget-react](https://www.npmjs.com/package/nostr-chat-widget-react?activeTab=readme) - A React component that provides a live-chat widget over nostr that can be embedded into any website.
- [Blockcore Notes](https://github.com/block-core/blockcore-notes)  - Progressive Web App that can be installed on mobile and desktop, organize following in circles and have both public and private following lists. Dynamic interface for different uses, such as optimized for photograph viewing.
- [notebin.org](https://notebin.org)  - Nostr UI created with NextJS, support for markdown and code highlighting
- [Flycat](https://github.com/digi-monkey/flycat-web) - A 2000s old-school style web client which support blogging on Nostr
- [Amethyst](https://github.com/vitorpamplona/amethyst)  - An Android client for nostr written in Kotlin
- [Disgus](https://github.com/carlitoplatanito/disgus)  - A comment widget like Disqus, but for Nostr.
- Feature [comparison list of Nostr clients](https://github.com/vishalxl/Nostr-Clients-Features-List)
- [nostr-ruby](https://github.com/dtonon/nostr-ruby) - a Ruby implementation of the nostr protocol
- [nostr](https://github.com/wilsonsilva/nostr) - a Ruby Nostr gem for use by clients
- [NNostr.Client](https://github.com/Kukks/NNostr) - a C# Nostr library for use by clients
- [nostr-tools](https://github.com/fiatjaf/nostr-tools) - a JavaScript client that abstracts the relay management code for use by clients
- [nostr-relaypool-ts](https://github.com/adamritter/nostr-relaypool-ts) - a TypeScript relay pool library on top of nostr-tools that simplifies handling subscriptions to multiple servers
- [go-nostr](https://github.com/fiatjaf/go-nostr) - a Go library that implements relay management, plus event encoding and signing utils
- [nostr_rust](https://github.com/0xtlt/nostr_rust) - Functional Rust implementation of the nostr protocol
- [nostr-js](https://github.com/jb55/nostr-js) - a javascript implementation of the nostr protocol
- [nostr-rs](https://github.com/futurepaul/nostr-rs) - a Rust implementation of the nostr protocol
- [relayer](https://github.com/fiatjaf/relayer) - a server framework for writing custom relays
- [NostrPostr](https://github.com/Giszmo/NostrPostr) - a Kotlin Nostr library for clients or relays
- [python-nostr](https://github.com/jeffthibault/python-nostr) - a python library for making clients
- [nostr-bot](https://github.com/slaninas/nostr-bot) - a Rust library for writing bots
- [NostrKit](https://github.com/cnixbtc/NostrKit) - a Swift library for interacting with relays
- [nostr-relay-inspector](https://github.com/dskvr/nostr-relay-inspector) - A snap plugin for Metamask Flask, supports nostr
- [nostr-deno](https://github.com/KiPSOFT/nostr-deno) - a client library for Deno javascript runtime.
- [nostr-types](https://github.com/mikedilger/nostr-types) - a rust library defining types useful for the nostr protocol
- [dart-nostr](https://github.com/ethicnology/dart-nostr) - a Dart library for Flutter
- [rsslay](https://github.com/fiatjaf/rsslay) - a bridge that puts RSS feeds into Nostr
- [smtp nostr gateway ](https://github.com/Cameri/smtp-nostr-gateway) - a bridge that forwards emails to pubkeys as encrypted direct messages
- [matrix-nostr-bridge](https://github.com/8go/matrix-nostr-bridge) a simple Matrix-to-Nostr or Nostr-to-Matrix bridge
- [nostr-fzf](https://github.com/Cameri/nostr-fzf) - Nostr Directory; a tool for searching usernames and channels
- [nostr-notify](https://github.com/jb55/nostr-notify) - desktop nostr notifications using libnotify
- [nos2x - nostr signer extension](https://github.com/fiatjaf/nos2x) - a browser extension for signing events on 3rd party site without sharing your private keys with them
- [nostr GitHub Action](https://github.com/theborakompanioni/nostr-action) - send events from GitHub Actions
- [nostrefresh](https://github.com/melvincarvalho/nostrefresh) - simple refresh function for nostr web pages
- [nostril](https://github.com/jb55/nostril) - C cli tool for creating nostr events
- [nostr-rs-relay-compose](https://github.com/vdo/nostr-rs-relay-compose) - a Docker compose deployment for nostr-rs-relay with SSL support based on Traefik
- [joinstr](https://github.com/1440000bytes/joinstr) - coinjoin implementation using nostr
- [ndxstr](https://github.com/ArcadeCity/ndxstr) - nostr's layer 2 indexing nodes, with more advanced querying capability than currently supported by relays
- [nostrillery](https://github.com/Cameri/nostrillery) - a tool for running performance tests against Nostr relays
- [nostr-terminal](https://github.com/cmdruid/nostr-terminal) - SSH-like access to your machine via web terminal, powered by Nostr.
- [nostcat](https://github.com/blakejakopovic/nostcat) - cat-like nostr client for scripting and debugging written in Rust
- [rana](https://github.com/grunch/rana) - Nostr mining pubkey with multi threading
- [nostr-commander](https://github.com/8go/nostr-commander-rs) - simple but convenient CLI-based Nostr app for following users, sending DMs, etc.
- [nostr.directory](https://github.com/pseudozach/nostr.directory) - searchable database of nostr users and their other social media links.
- [nostr-tool](https://github.com/0xtrr/nostr-tool) - Rust CLI tool to generate and publish events
- [frostr](https://github.com/nickfarrow/frostr) - Create joint nostr identities and require t-of-n signatures to post
- [lnpass](https://lnpass.github.io) - A key manager for Lightning and nostr.
- [nostr-pubminer](https://github.com/lacaulac/nostr-pubminer) - A simple tool to mine nostr vanity pubkeys
- [rana](https://github.com/grunch/rana) - Vanity pubkey miner based on nip13
- [Alby](https://getalby.com) - Bitcoin Lightning app with nostr support
- [wen](https://github.com/fiatjaf/wen) - browser extension for website enhancer with nostr
- [Blockcore](https://github.com/block-core/blockcore-wallet) - Multi wallet browser extension with nostr support
- [anigma.io](https://anigma.io) - has known xss attack vulnerabilities, which can put private key at risk, or risk signing events you may not want to send.
- [nvote](https://nvote.co) - it does server side processing, and even private key is handled server side, and as such is deprecated for normal use.
- [vanilla-js-nostr](https://github.com/supertestnet/vanilla-js-nostr) - a demo of posting and viewing a feed in nostr using vanilla javascript
- [nostr playground in Ruby](https://github.com/dtonon/nostr-ruby-playground)
- [wellorder nostr datasets](https://wiki.wellorder.net/wiki/nostr-datasets/) - Public standardized nostr datasets for benchmarking, data science, or other analysis.
