NIP04

Encrypted Direct Message --- unrecommended: deprecated in favor of NIP-17

legacy-dms Svelte MIT


A port of Coracle's NIP 04 DM functionality to a standalone app

Created At: 2023-12-08 Last Commit: 2023-12-13

NIP04

damus Swift 2073 293 1062 GPL-3.0


iOS nostr client

Created At: 2022-04-03 Last Commit: 2025-08-23

NIP01 NIP04 NIP08 NIP10 NIP12 NIP19 NIP21 NIP25 NIP42 NIP56
bitcoin freedom lightning-network nostr

amethyst Kotlin 1276 173 213 MIT


Nostr client for Android

Created At: 2023-01-11 Last Commit: 2025-08-23

NIP01 NIP02 NIP03 NIP04 NIP05 NIP06 NIP08 NIP09 NIP10 NIP11 NIP12 NIP14 NIP16 NIP17 NIP18 NIP19 NIP20 NIP21 NIP23 NIP24 NIP25 NIP27 NIP28 NIP30 NIP31 NIP33 NIP34 NIP36 NIP37 NIP38 NIP39 NIP40 NIP42 NIP44 NIP47 NIP49 NIP50 NIP51 NIP53 NIP54 NIP55 NIP56 NIP57 NIP58 NIP59 NIP69 NIP71 NIP72 NIP84 NIP88 NIP89 NIP90 NIP92 NIP94 NIP95 NIP96 NIP98 NIP99
android kotlin nostr social-network

gossip Rust 804 92 200 NOASSERTION


Gossip is a nostr client

Created At: 2022-11-19 Last Commit: 2025-08-19

NIP01 NIP02 NIP04 NIP05 NIP08 NIP09 NIP10 NIP11 NIP13 NIP14 NIP17 NIP18 NIP19 NIP21 NIP23 NIP24 NIP25 NIP26 NIP27 NIP31 NIP36 NIP42 NIP44 NIP46 NIP48 NIP49 NIP51 NIP57 NIP59 NIP65
chat nostr socialmedia

iris-messenger TypeScript 725 164 113 MIT


Decentralized messenger

Created At: 2020-01-13 Last Commit: 2024-10-19

NIP01 NIP02 NIP03 NIP04 NIP05 NIP07 NIP08 NIP09 NIP10 NIP19 NIP20 NIP25 NIP33 NIP42 NIP50 NIP57
nostr

snort TypeScript 330 130 3 MIT


Feature packed nostr web UI, Mirror of https://git.v0l.io/Kieran/snort

Created At: 2022-12-18 Last Commit: 2025-07-24

NIP01 NIP02 NIP04 NIP05 NIP06 NIP07 NIP08 NIP09 NIP10 NIP11 NIP13 NIP18 NIP19 NIP21 NIP23 NIP25 NIP26 NIP27 NIP28 NIP30 NIP31 NIP36 NIP38 NIP42 NIP44 NIP46 NIP47 NIP50 NIP51 NIP53 NIP57 NIP58 NIP59 NIP65 NIP75 NIP78 NIP94 NIP96 NIP98
nostr react

coracle Svelte 328 83 104 MIT


An experimental Nostr client focused on unlocking the full potential of multiple relays. Browse, filter, zap, and create custom feeds to create a curated Nostr experience.

Created At: 2022-11-25 Last Commit: 2025-08-22

NIP50 NIP05 NIP65 NIP32 NIP89 NIP99 NIP52 NIP87 NIP72 NIP17 NIP04 NIP24 NIP96 NIP51 NIP42
nostr svelte

nostrmarket JavaScript 145 23 8 MIT


Nostr Market

Created At: 2023-02-27 Last Commit: 2024-12-11

NIP15 NIP33 NIP04 NIP99

nostrmo Dart 97 18 13 GPL-3.0


A flutter nostr client for Android, IOS, MacOS, Windows, Web and Linux.

Created At: 2023-03-07 Last Commit: 2025-08-23

NIP01 NIP02 NIP03 NIP04 NIP05 NIP07 NIP08 NIP09 NIP10 NIP11 NIP14 NIP18 NIP19 NIP21 NIP23 NIP25 NIP27 NIP29 NIP30 NIP35 NIP36 NIP42 NIP44 NIP46 NIP47 NIP50 NIP51 NIP55 NIP57 NIP58 NIP59 NIP65 NIP69 NIP71 NIP72 NIP75 NIP92 NIP94 NIP95 NIP96 NIP98
flutter nostr nostr-client

Nostrid C++ 91 12 19 MIT


Multi-platform Nostr client

Created At: 2023-01-09 Last Commit: 2023-06-22

NIP01 NIP02 NIP04 NIP05 NIP07 NIP08 NIP09 NIP10 NIP11 NIP12 NIP13 NIP15 NIP16 NIP19 NIP23 NIP25 NIP28 NIP33 NIP50 NIP51 NIP57
nostr

shopstr TypeScript 70 30 12 GPL-3.0


A global, permissionless Nostr marketplace for Bitcoin commerce

Created At: 2023-04-15 Last Commit: 2025-08-19

NIP02 NIP04 NIP07 NIP09 NIP19 NIP24 NIP31 NIP60 NIP65 NIP89 NIP98 NIP99
bitcoin cashu lightning marketplace nostr

0xchat-core Dart 61 11 10 LGPL-3.0


0xchat-core, built on Nostr

Created At: 2023-04-10 Last Commit: 2025-08-21

NIP01 NIP02 NIP04 NIP05 NIP09 NIP10 NIP13 NIP17 NIP18 NIP19 NIP21 NIP23 NIP25 NIP27 NIP28 NIP29 NIP30 NIP33 NIP40 NIP42 NIP44 NIP47 NIP51 NIP57 NIP58 NIP59 NIP65 NIP78 NIP96 NIP98

nostr Ruby 27 5 5 MIT


Asynchronous Nostr client in Ruby

Created At: 2023-01-06 Last Commit: 2025-02-27

NIP01 NIP02 NIP04 NIP19
async gem nostr nostr-client nostr-protocol nostr-ruby nostr-sdk ruby rubygem

pretty-good TypeScript 26 3 4 AGPL-3.0


a nostr desktop client for mac, windows and linux, motivated by the desire to build a decentralized web of trust

Created At: 2023-01-25 Last Commit: 2024-01-29

NIP01 NIP02 NIP04 NIP18 NIP25 NIP32 NIP33
dcosl nostr reputation reputation-system web-of-trust

nostr-tools TypeScript 788 212 26 Unlicense


Tools for developing Nostr clients.

Created At: 2021-01-04 Last Commit: 2025-08-06

NIP04 NIP05 NIP06 NIP07 NIP10 NIP11 NIP13 NIP18 NIP19 NIP49 NIP21 NIP25 NIP27 NIP28 NIP29 NIP30 NIP39 NIP40 NIP42 NIP44 NIP46 NIP47 NIP57 NIP58 NIP75 NIP94 NIP96 NIP98 NIP99
nostr

ndk TypeScript 419 115 80 MIT


Nostr Development Kit with outbox-model support

Created At: 2023-03-16 Last Commit: 2025-07-31

NIP01 NIP04 NIP18 NIP42 NIP57 NIP89 NIP90 NIP07 NIP46 NIP65 NIP47 NIP96
ndk nostr nostr-dev-kit

go-nostr C++ 403 123 9 MIT


Nostr library for Golang

Created At: 2021-01-20 Last Commit: 2025-08-18

NIP04 NIP05 NIP06 NIP10 NIP11 NIP13 NIP19 NIP29 NIP31 NIP34 NIP42 NIP44 NIP46 NIP49 NIP52 NIP53 NIP54 NIP86 NIP94 NIP96
nostr

nostr-java Java 83 24 1 MIT


A nostr library, written in java, for generating, signing and publishing events.

Created At: 2022-12-18 Last Commit: 2025-08-22

NIP01 NIP02 NIP03 NIP04 NIP05 NIP08 NIP09 NIP12 NIP14 NIP15 NIP20 NIP23 NIP25 NIP28 NIP30 NIP32 NIP40 NIP42 NIP44 NIP46 NIP57 NIP99
java nostr

pynostr Python 75 20 10 MIT


Python library for nostr

Created At: 2023-01-29 Last Commit: 2025-08-07

NIP01 NIP02 NIP03 NIP04 NIP05 NIP10 NIP11 NIP13 NIP15 NIP19 NIP26 NIP56 NIP65
nostr python

dart-nostr Dart 68 14 1 LGPL-3.0


nostr library in dart

Created At: 2022-12-27 Last Commit: 2025-02-18

NIP01 NIP02 NIP04 NIP05 NIP10 NIP15 NIP19 NIP20 NIP28 NIP50 NIP51
dart flutter nostr

nostr_rust Rust 61 16 4


Functional Rust implementation of the nostr protocol

Created At: 2022-11-03 Last Commit: 2023-02-15

NIP01 NIP02 NIP04 NIP05 NIP09 NIP11 NIP13 NIP16 NIP25
nostr rust

arduino-nostr C++ 58 10 MIT


Created At: 2023-03-15 Last Commit: 2024-07-15

NIP01 NIP04
arduino-library microcontroller nostr

nostr Dart 45 16 7 MIT


Develop Scalable Dart/Flutter Nostr clients quickly and easily

Created At: 2023-04-10 Last Commit: 2025-08-06

NIP01 NIP02 NIP03 NIP04 NIP05 NIP06 NIP08 NIP09 NIP10 NIP11 NIP13 NIP14 NIP15 NIP18 NIP19 NIP21 NIP23 NIP24 NIP25 NIP27 NIP28 NIP30 NIP31 NIP32 NIP36 NIP38 NIP39 NIP40 NIP45 NIP47 NIP48 NIP50 NIP51 NIP52 NIP53 NIP56 NIP57 NIP58 NIP72 NIP75 NIP78 NIP84 NIP89 NIP94 NIP98 NIP99
dart flutter nostr nostr-client nostr-dev-kit nostr-protocol nostr-relay nostr-sdk nostr-tools

nostr-ts TypeScript 24 3 6 MIT


Nostr Libraries (Web / Node) and Client (React / Node)

Created At: 2023-08-01 Last Commit: 2025-07-10

NIP01 NIP02 NIP04 NIP10 NIP11 NIP13 NIP14 NIP18 NIP23 NIP25 NIP36 NIP39 NIP40 NIP42 NIP45 NIP56 NIP19 NIP32 NIP57
nostr nostr-client nostr-protocol react

nostr-deno TypeScript 24 2 6 MIT


Nostr protocol client library for deno runtime.

Created At: 2022-12-24 Last Commit: 2023-02-05

NIP01 NIP02 NIP04 NIP05 NIP08 NIP10 NIP19 NIP20
client deno library nodejs nostr typescript

amberflutter Dart 9 5 3 MIT


Flutter wrapper for Amber (Nostr Signer)

Created At: 2023-12-01 Last Commit: 2024-01-01

NIP04 NIP19 NIP44

nostream TypeScript 792 203 79 MIT


A Nostr Relay written in TypeScript

Created At: 2022-04-16 Last Commit: 2024-10-23

NIP01 NIP02 NIP04 NIP09 NIP11 NIP12 NIP13 NIP15 NIP16 NIP20 NIP22 NIP28 NIP33 NIP40
nostr

strfry C++ 588 114 79 GPL-3.0


a nostr relay

Created At: 2022-12-19 Last Commit: 2025-01-10

NIP01 NIP02 NIP04 NIP09 NIP11 NIP12 NIP15 NIP16 NIP20 NIP22 NIP28 NIP33 NIP40
nostr

rnostr Rust 104 25 5 MIT


A high-performance and scalable nostr relay written in Rust.

Created At: 2023-05-22 Last Commit: 2025-07-13

NIP01 NIP02 NIP04 NIP09 NIP11 NIP12 NIP13 NIP15 NIP16 NIP20 NIP22 NIP25 NIP26 NIP28 NIP33 NIP40 NIP42 NIP45 NIP50
nostr nostr-relay

chorus Rust 74 15 15 NOASSERTION


Chorus is a nostr relay

Created At: 2023-10-26 Last Commit: 2025-08-03

NIP01 NIP04 NIP09 NIP11 NIP40 NIP42 NIP59 NIP65

nosflare JavaScript 70 10 1 MIT


A serverless Nostr relay through Cloudflare Worker and D1 database

Created At: 2024-03-25 Last Commit: 2025-07-29

NIP01 NIP02 NIP04 NIP05 NIP09 NIP11 NIP12 NIP15 NIP16 NIP17 NIP20 NIP22 NIP33 NIP40
nostr nostr-protocol nostr-relay

denostr TypeScript 57 3 MIT


💪🏻 Rust-based, cloud-native Nostr relay derived from nostr-rs-relay.

Created At: 2023-03-15 Last Commit: 2024-01-24

NIP01 NIP02 NIP04 NIP09 NIP11 NIP12 NIP13 NIP15 NIP16 NIP20 NIP22 NIP26 NIP28 NIP33 NIP38 NIP40
deno nostr nostr-relay

nostr-relay-nestjs TypeScript 55 9 13 MIT


A high-performance nostr relay, using PostgreSQL. (Thanks to https://opensats.org/ for their generous donation!)

Created At: 2023-03-19 Last Commit: 2025-01-05

NIP01 NIP02 NIP04 NIP11 NIP13 NIP22 NIP26 NIP28 NIP40 NIP42 NIP50
meilisearch nestjs nostr postgresql relay typescript wot

NostrPostr JavaScript 50 8 3


A Nostr Library and Relay

Created At: 2022-06-03 Last Commit: 2023-10-13

NIP01 NIP02 NIP04 NIP09 NIP11 NIP12 NIP15 NIP16
nostr

pyrelay Python 44 10 4 Apache-2.0


PyRelay is a python implementation of a NOSTR Relay, using asyncio

Created At: 2023-01-06 Last Commit: 2023-04-08

NIP01 NIP02 NIP04 NIP05 NIP06 NIP07 NIP09 NIP12 NIP15 NIP20
asyncio nostr python relay websockets

nex Elixir 28 5 1 Apache-2.0


Powerful and flexible Nostr relay written in Elixir.

Created At: 2023-02-08 Last Commit: 2023-02-14

NIP01 NIP02 NIP04 NIP09 NIP11 NIP12 NIP13 NIP15 NIP16 NIP20 NIP22 NIP26 NIP28 NIP33 NIP40
elixir nostr nostr-relay

knostr Kotlin 27 1 2 MIT


Nostr Relay Implementation on Kotlin

Created At: 2023-01-05 Last Commit: 2023-03-08

NIP01 NIP02 NIP04 NIP09 NIP11 NIP12 NIP15 NIP16 NIP20 NIP28 NIP50
kotlin micronaut nostr nostr-relay

nostpy-relay Python 25 9 12 Unlicense


A nostr relay backed by a postgresql database, run with docker-compose

Created At: 2023-01-15 Last Commit: 2025-05-26

NIP01 NIP02 NIP04 NIP09 NIP11 NIP15 NIP16 NIP25 NIP50 NIP99
nostr nostr-relay

nostpy-relay Python 25 9 12 Unlicense


A nostr relay backed by a postgresql database, run with docker-compose

Created At: 2023-01-15 Last Commit: 2025-05-26

NIP01 NIP02 NIP04 NIP09 NIP11 NIP15 NIP16 NIP25 NIP50 NIP99
nostr nostr-relay

superconductor Java 12 4 MIT


Java Nostr-Relay, Relay Framework & WebSocket Application Server

Created At: 2023-11-21 Last Commit: 2025-08-18

NIP01 NIP02 NIP03 NIP04 NIP05 NIP06 NIP07 NIP08 NIP10 NIP11 NIP12 NIP14 NIP16 NIP18 NIP19 NIP20 NIP21 NIP22 NIP25 NIP27 NIP28 NIP30 NIP31 NIP33 NIP36 NIP38 NIP39 NIP42 NIP46 NIP48 NIP52 NIP53 NIP56 NIP57 NIP58 NIP89 NIP99

netstr C++ 10 1 11 MIT


Modern nostr relay

Created At: 2024-06-19 Last Commit: 2024-12-04

NIP01 NIP02 NIP04 NIP09 NIP11 NIP13 NIP17 NIP40 NIP42 NIP45 NIP70
nostr nostr-relay

nostr-keyx TypeScript 77 3 1 MIT


A NIP-07 browser extension that uses the OS's keychain or YubiKey to protect your private keys.

Created At: 2023-02-11 Last Commit: 2023-04-23

NIP04 NIP07
browser-extension chrome-extension encryption keychain nip-07 nodejs nostr typescript yubico yubikey

nostore JavaScript 65 16 8 MIT


A nostr signing extension for Safari.

Created At: 2023-01-18 Last Commit: 2025-02-11

NIP04 NIP07
nostr

horse JavaScript 39 7 3


hardware remote nostr event signer with webserial

Created At: 2023-03-11 Last Commit: 2025-01-05

NIP04 NIP07

aka-extension TypeScript 33 6 1


Nostr Signing Extension for Chrome supporting multiple key pairs.

Created At: 2023-04-20 Last Commit: 2025-05-17

NIP04 NIP07
extension-chrome nip-07 nos2x nostr

keys-band TypeScript 22 6 10 MIT


Created At: 2023-06-19 Last Commit: 2025-03-25

NIP04 NIP07