Lightning Infrastructure
Technical tools, wallets, and infrastructure services for the Lightning Network.
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.
Relai - Buy Bitcoin with Credit Card or Bank Transfer
Relai is a Swiss-based platform allowing users to buy Bitcoin instantly using credit cards, bank transfers, Apple Pay, or Google Pay. The service features a mobile app with self-custodial wallet capabilities, requiring KYC verification for regulatory compliance.
Umbrel Community - BIP 157 Discussion
A community forum post discussing technical assistance for connecting Umbrel nodes to Breez and Blixt wallets using the BIP 157 protocol. The content focuses on configuration formats and compatibility between self-hosted nodes and Lightning wallets.
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.
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.
@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.
Loom Protocol - Decentralized Git Repository via Nostr
Loom Protocol is a decentralized version control system that utilizes the Nostr protocol to host and manage Git repositories. It enables developers to clone and interact with codebases through multiple relay nodes, promoting censorship-resistant software development and collaboration.
Alby Umbrel Community App Store - Alby Hub & NWC Apps for Umbrel Nodes
An open-source community repository for Umbrel users to install Alby Hub and the discontinued Alby Nostr Wallet Connect app, enabling Lightning Network functionality via Nostr Wallet Connect on self-hosted nodes.
Nostr Development Kit (NDK) - TypeScript Toolkit for Nostr Applications
NDK is a comprehensive TypeScript library and monorepo for building modern, performant Nostr clients. It provides modular packages for core event handling, caching, Web of Trust, Negentropy sync, and wallet integration, with first-class support for Svelte and React frameworks.
VanitySearch - Bitcoin Address Prefix Finder Tool
VanitySearch is an open-source command-line tool for generating Bitcoin addresses with specific prefixes. It supports CPU and GPU acceleration (CUDA), multiple address formats (P2PKH, P2SH, Bech32), and includes features for split-key generation to securely create vanity keys without exposing the final private key.
Alby - Open Source Bitcoin Lightning & Nostr Tools
Alby is an open-source project providing a suite of tools to make Bitcoin Lightning and Nostr accessible, including a self-custodial Lightning wallet, browser extension, and developer SDKs for integrating WebLN and Nostr Wallet Connect.
Sparrow Wallet - Open Source Desktop Bitcoin Wallet
Sparrow is a free and open-source desktop Bitcoin wallet focused on security, privacy, and transparency. Built with Java, it supports PSBT standards and integrates with most hardware wallets for secure cold storage management.
Bitcoin And Lightning Layer Specifications - WebBTC & LSP Documentation
A resource hub for Bitcoin and Lightning Network specifications, including the WebBTC common web wallet interface for JavaScript key management and interoperable API standards for Lightning Service Providers.
Lightning Box - Trust-Minimized Payment Inbox for Lightning Addresses
Lightning Box is a trust-minimized payment inbox designed for non-custodial Lightning wallets that may not be online to receive payments directly. It utilizes LNURL-auth and LNURL-withdraw protocols to hold funds and notify users via email or push notifications, while also supporting LN P2P message forwarding for connected wallets.
Lightning Address Protocol - GitHub Repository
Open-source repository defining the Lightning Address standard, an Internet Identifier allowing users to send Bitcoin over the Lightning Network using email-like addresses instead of QR codes or invoices. Includes documentation for developers, wallet support lists, and bridge server instructions.
BuhoGO - Bitcoin Lightning Wallet & NWC Payments
BuhoGO is an open-source Bitcoin Lightning wallet for Android and web that supports self-custody via Spark, LNbits, and Nostr Wallet Connect (NWC). It enables users to send and receive sats instantly, scan QR codes for in-store retail payments, and purchase digital gift cards and services worldwide.
Alby - How to Set Up Recurring Bitcoin Subscriptions via Lightning Network
A comprehensive guide on implementing subscription-based business models using Bitcoin and the Lightning Network. It covers benefits like reduced fees and no chargebacks, explains how Nostr Wallet Connect (NWC) enables recurring payments, and lists real-world use cases for SaaS, streaming, and creator support.