Developer tools & open source
lightninglabs/lnc-web · Connect web applications to Lightning nodes with pairing, passkeys and typed RPC calls.
bitcoinlightning networktypescript
Developer tools & open source
ACINQ/lightning-kmp · Mobile-oriented Kotlin Lightning implementation optimized for sending and receiving payments.
bitcoinlightninglib
Developer tools & open source
ACINQ/secp256k1-kmp · Kotlin Multiplatform wrapper for secp256k1 targeting JVM, Android, iOS and Linux.
androidbitcoinios
Developer tools & open source
vulpemventures/nigiri · Bitcoin regtest development stack with a node, explorer and faucet, with optional Lightning services.
arkark bitcoinark layer 2
Developer tools & open source
Coldcard/ckcc-protocol · Python library and command-line tools for communicating with COLDCARD over USB.
bitcoinbitcoin walletlib
Developer tools & open source
ElementsProject/lightning-jukebox · Example jukebox where Lightning payments select music from YouTube.
bitcoinjukeboxlightning
Developer tools & open source
bitcoinjs/bech32 · Bech32 and Bech32m codecs with prefix, word and byte conversion helpers.
base32bech32bitcoin
Developer tools & open source
bitcoinjs/coinselect · Select Bitcoin UTXOs with blackjack and accumulative algorithms; amounts are in satoshis.
bitcoinchangecoin
Developer tools & open source
ACINQ/bitcoin-lib · Scala-facing wrapper around ACINQ's Kotlin Bitcoin protocol library.
bitcoinscalalib
Developer tools & open source
bitcoinjs/bs58check · Base58Check encoding and decoding built on the bs58 package.
base58base58 checkbase58check
Developer tools & open source
bitcoinjs/bip21 · Encode and decode Bitcoin payment URIs; receiving addresses still need separate validation.
bip21bitcoinjavascript
Developer tools & open source
trezor/trezor-common · Shared Trezor definitions exported as a read-only copy from the firmware monorepo.
bitcointrezorlib
Developer tools & open source
jb55/lnsocket · Lightning message library for C, JavaScript and Go, including browser WebAssembly builds.
clightninglightning networkbitcoin
Developer tools & open source
bitcoin-core/univalue · JSON values and parsing for Bitcoin Core's internal use; this fork does not promise a stable external API.
bitcoinlibofficial source
Developer tools & open source
rust-bitcoin/rust-bip39 · Rust mnemonic library with BIP39 word lists and optional language features.
bitcoinlibofficial source
Developer tools & open source
rust-bitcoin/rust-bech32 · Rust encoding and decoding for Bech32 and Bech32m; Bitcoin-specific addresses use a separate crate.
bitcoinlibofficial source
Developer tools & open source
lightningdevkit/ldk-node · Embeddable Lightning node library combining LDK payments and a BDK on-chain wallet.
bitcoinlibofficial source
Developer tools & open source
lightningdevkit/ldk-garbagecollected · Generated LDK bindings for Java, C# and TypeScript with Rust API mappings.
bitcoinlibofficial source
Developer tools & open source
lightningdevkit/ldk-sample · Sample LDK Lightning node for testnet, regtest and signet, connected to Bitcoin Core.
bitcoindemoofficial source
Developer tools & open source
btcsuite/btclog · Go logging interface with a subsystem-aware logger and configurable log levels.
bitcoinlibofficial source
Developer tools & open source
ElementsProject/rust-elements · Rust types for parsing and serializing Elements transactions and network messages.
bitcoinlibofficial source
Developer tools & open source
sparrowwallet/hummingbird · Java implementation of Uniform Resources for encoding and decoding structured QR payloads.
bitcoinlibofficial source
Developer tools & open source
sparrowwallet/lark · Java hardware-wallet communication library derived from HWI and extended for Sparrow.
bitcoinlibofficial source
Developer tools & open source
trezor/trezor-user-env · Test environment for controlling Trezor emulators and Bridge through a WebSocket server.
bitcoindemoofficial source
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