lightning/bolts · Lightning protocol specifications documenting interoperability between node implementations.
bitcoinblockchaincryptocurrency
trezor/trezor-firmware · Firmware monorepo for Trezor devices, including cryptography and Python client components.
bitcoinccryptocurrency
trezor/trezor-suite · Suite desktop, web and mobile source, including the current Trezor Connect integration package.
bitcoincryptocurrencycryptography
bitcart/bitcart · Bitcart core daemons and merchant API for cryptocurrency payment applications.
binance smart chainbitcartbitcoin
LedgerHQ/app-bitcoin · Current Ledger Bitcoin device application; this is the renamed app-bitcoin-new repository.
bitcoinfirmwareofficial source
Developer tools & open source
ACINQ/bitcoin-kmp · Kotlin Bitcoin primitives covering transaction parsing, HD keys, multisig and Taproot.
bitcoinkotlinkotlin multiplatform
BoltzExchange/boltz-web-app · Source for the official Boltz web app enabling non-custodial swaps between Bitcoin layers.
atomic swapbitcoinlightning
nunchuk-io/nunchuk-android · Native Android multisig wallet application built on libnunchuk.
bitcoinmultisig walletswallet
Developer tools & open source
bitcoindevkit/rust-esplora-client · Blocking and asynchronous Rust clients for querying Esplora servers over HTTP.
bitcoinclientesplora
Developer tools & open source
lightninglabs/lnc-web · Connect web applications to Lightning nodes with pairing, passkeys and typed RPC calls.
bitcoinlightning networktypescript
lightninglabs/lndinit · Automates LND wallet initialization, seed generation and password generation.
bitcoink8slightning
getAlby/lightning-browser-extension · Browser extension enabling Lightning web payments and authentication through WebLN.
bitcoinbrowser extensionchrome extension
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
chaincodelabs/bitcoin-curriculum · Bitcoin protocol-development curriculum organized into study groups and a topic syllabus.
bitcoinresearchofficial source
Developer tools & open source
vulpemventures/nigiri · Bitcoin regtest development stack with a node, explorer and faucet, with optional Lightning services.
arkark bitcoinark layer 2
lightninglabs/lndmon · LND node monitoring with Prometheus metrics and Grafana dashboards.
bitcoingrafanalightning
kristapsk/bitcoin-scripts · Shell helpers for Bitcoin Core wallets, using bitcoin-cli and standard command-line tools.
bitcoincoinjoinops
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
ElementsProject/lightning-charge · REST payment server built on Core Lightning, with invoice and webhook support.
bitcoinlightninglightning charge
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
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