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
bitcoin-core/bitcoin-maintainer-tools · Bitcoin Core maintenance scripts for reviewing merges and signing them with GPG.
bitcoinopsofficial 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
lightninglabs/chantools · Recovery utilities for specific LND channel failures; some commands query external explorers.
bitcoinopsofficial 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
Blockstream/green_android · Android source for Blockstream App, with watch-only access and Jade hardware-wallet support.
bitcoinwalletofficial source
Blockstream/green_ios · iOS source for Blockstream App, with watch-only access, spending limits and multisig.
bitcoinwalletofficial source
Blockstream/green_qt · Desktop source for the Blockstream wallet, with Linux, macOS and Windows build instructions.
bitcoinwalletofficial source
Blockstream/blind_pin_server · PIN oracle server for Jade that limits attempts without learning the PIN.
bitcoinopsofficial 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
Foundation-Devices/passport2 · Passport firmware source, organized into the bootloader and updatable main firmware.
bitcoinfirmwareofficial source
Foundation-Devices/envoy · Envoy companion wallet for Passport, with Flutter UI and Rust cryptographic libraries.
bitcoinwalletofficial source
Developer tools & open source
trezor/trezor-user-env · Test environment for controlling Trezor emulators and Bridge through a WebSocket server.
bitcoindemoofficial source
Developer tools & open source
bitcoinjs/bip68 · Encode relative Bitcoin locktimes as block counts or 512-second time intervals.
bitcoinlibofficial source
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