Communities
Groups and organizations supporting the ecosystem.
Subcategories
Bolt Card Wallet - Contactless Lightning Payments via NFC
A mobile wallet application for Android and iOS that enables contactless Lightning Network payments using NXP NTAG424 NFC cards. It supports self-custody by connecting to user-owned LND nodes via a Bolt Card Hub, offering an open-source alternative to legacy payment systems for tap-and-go transactions.
PlebAI - Open Source AI Chat with Lightning Payments
PlebAI is an open-source AI chat application leveraging models like GPT4All and Llama2, designed to democratize access to LLMs without requiring user accounts or credit cards. It integrates with the Lightning Network via L402 for authentication and premium features, promoting a #buildinpublic ethos against closed-source tech monopolies.
LNbits - Tooling & Building Hardware with Lightning Network
A comprehensive wiki page detailing how to build hardware gadgets and integrate with LNbits, an open-source Lightning wallet. It covers projects like ATMs, point-of-sale terminals, hardware wallets, and NFC cards using ESP32 devices and LNURL protocols.
Bech32 Demo - Binary Data Encoder/Decoder for Bitcoin and Nostr
An interactive web application demonstrating the bech32-buffer package, allowing users to encode and decode binary data into Bech32 format. It supports standard Bitcoin address formats (BIP 173, BIP 350) and specific use cases like encoding Nostr public keys (npub).
LNbits Nostr Zap Lamp - Visual Hardware for Nostr Zaps
An open-source ESP32 hardware project that provides visual feedback for Nostr Lightning Zaps. The lamp flashes corresponding to the amount of sats received, allowing users to monitor Nostr activity physically via an LED interface.
NIP-19: Bech32-Encoded Entities for Nostr
Technical specification for NIP-19, defining bech32-formatted strings for Nostr keys, event IDs, profiles, and relays to facilitate user-friendly data sharing and QR code rendering.
Electrum - Open Source Bitcoin Wallet
Electrum is a fast, lightweight, and secure desktop and mobile Bitcoin wallet known for its open-source nature and non-custodial architecture. It supports cold storage, multisig transactions, hardware wallet integration, and various security features like GPG-signed releases and two-factor authentication.
Stack Duo - Open Source Bitcoin and Monero Wallet
Stack Duo is a fully open-source cryptocurrency wallet application for Android and desktop platforms, supporting Bitcoin and Monero. It features a non-custodial design where private keys remain on the device, offering an easy-to-use interface for secure crypto management without ads or tracking.
Nostr - Open Social Protocol and Relay Documentation
The official documentation and overview for the Nostr (Notes and Other Stuff Transmitted by Relays) protocol, an open social standard that enables decentralized communication through cryptographically signed notes and distributed relays.
Satellite - Nostr Web Client Source Code
Open-source source code for Satellite, a web-based client for the Nostr protocol that allows users to browse accounts, feeds, and communities. Built with JavaScript and Vite, this project provides a frontend interface for interacting with Nostr relays.
zapddit - Reddit-style Nostr Client with Lightning Zaps
zapddit is an open-source, Reddit-style client for the Nostr protocol, allowing users to follow hashtags and interact with content through Upzaps and Downzaps using Bitcoin's Lightning Network. Built with TypeScript and Angular, it features NIP-07 login and supports decentralized social interaction via satoshi tips.
OstrichScript - Nostr Client Extension Convention
OstrichScript is an open-source convention for extending Nostr clients with user-defined functionality. It allows developers to write sandboxed extensions in Lua that export functions to augment client capabilities, providing a standardized interface for customizing Nostr experiences.
Primal Web App - Nostr Social Client
Primal is an open-source web client for the Nostr protocol, offering a fast and snappy interface for exploring decentralized social media, creating custom feeds, and managing notes. The project is hosted on GitHub under an MIT license.
Strfry - High-Performance C++ Nostr Relay
Strfry is a lightweight, high-performance Nostr relay implementation written in C++. It features LMDB-based local storage, negentropy syncing for efficient data reconciliation, and support for zero-downtime restarts and Prometheus monitoring.
nostr-rs-relay - High-Performance Nostr Relay Server in Rust
A high-performance Nostr relay implementation written in Rust, supporting the full relay protocol with SQLite or Postgresql persistence. It provides a self-hosted server solution for decentralizing social communication, featuring Docker support and extensive NIP compliance.
@scure/bip39 - Secure BIP39 Mnemonic Library for JavaScript
An audited, minimal, and tree-shakeable JavaScript implementation of BIP39 mnemonic phrases. It supports pure JS and WebCrypto, includes multiple language wordlists, and is designed for secure, low-dependency cryptographic operations in Bitcoin and Ethereum applications.
nsecbunkerd - Nostr Secure Bunker Daemon
nsecbunkerd is an open-source daemon designed for the Nostr protocol that enables remote signing of events using private keys. It allows users to securely manage and sign Nostr interactions, supporting Docker deployment and integration with Lightning wallets via NostDress for zapping capabilities.
nostr-tool - Rust CLI for Sending Nostr Events
A simple command-line interface tool built with Rust to send Nostr events, allowing users to interact with the Nostr protocol directly from the terminal.