Repositories list

• coinselect

  Public
  An unspent transaction output (UTXO) selection module for bitcoin.

  bitcoinchangeselection+ 4

  bitcoinchangeselectionwalletcoinutxosunspents

  JavaScript

  •

  MIT License

  •116116 forks•203203 stars•1717 issues•1212 pull requests•Updated Apr 2, 2026Apr 2, 2026

• wif

  Public
  Bitcoin Wallet Import Format JS encoding/decoding module

  bitcoin

  bitcoin

  JavaScript

  •

  MIT License

  •4242 forks•8686 stars•00 issues•33 pull requests•Updated Mar 25, 2026Mar 25, 2026

• varuint-bitcoin

  Public
  encode/decode number as bitcoin variable length integer https://en.bitcoin.it/wiki/Protocol_documentation#Variable_length_integer

  bitcoin

  bitcoin

  JavaScript

  •

  Other

  •55 forks•77 stars•00 issues•33 pull requests•Updated Mar 25, 2026Mar 25, 2026

• bs58check

  Public
  A straight forward implementation of base58check extending upon bs58.

  bitcoinchecksumbase58+ 4

  bitcoinchecksumbase58sha256bitcoinjsbase58checkbase58-check

  JavaScript

  •

  MIT License

  •5454 forks•102102 stars•22 issues•55 pull requests•Updated Mar 25, 2026Mar 25, 2026

• bip21

  Public
  A BIP21 compatible URL encoding utility library

  javascriptbitcoinbip21

  javascriptbitcoinbip21

  JavaScript

  •

  MIT License

  •4242 forks•5757 stars•00 issues•22 pull requests•Updated Mar 20, 2026Mar 20, 2026

• bip44-constants

  Public
  This package provides BIP44 coin constants as found here: https://github.com/satoshilabs/slips/blob/master/slip-0044.md

  bitcoinbip44

  bitcoinbip44

  JavaScript

  •

  MIT License

  •6262 forks•9292 stars•00 issues•00 pull requests•Updated Mar 6, 2026Mar 6, 2026

• bip174

  Public
  A BIP174 compatible partial Transaction encoding library.

  javascriptnodebitcoin+ 5

  javascriptnodebitcoinformattransactionpartialbip174partially

  JavaScript

  •

  MIT License

  •3737 forks•3636 stars•33 issues•44 pull requests•Updated Feb 28, 2026Feb 28, 2026

• bip32

  Public
  A BIP32 compatible library.

  bitcoinecdsabip32+ 2

  bitcoinecdsabip32bitcoinjsbitcoinjs-lib

  JavaScript

  •

  MIT License

  •128128 forks•197197 stars•44 issues•33 pull requests•Updated Feb 19, 2026Feb 19, 2026

• bitcoinjs-lib

  Public
  A javascript Bitcoin library for node.js and browsers.

  nodejsjavascriptbrowserify+ 3

  nodejsjavascriptbrowserifybitcoinbitcoinjsbitcoinjs-lib

  JavaScript

  •

  MIT License

  •2.2k2.2k forks•6k6k stars•1717 issues•2424 pull requests•Updated Feb 17, 2026Feb 17, 2026

• ecpair

  Public

  bitcoinjs/ecpair’s past year of commit activity
  The ECPair module for bitcoinjs-lib

  JavaScript

  •

  MIT License

  •3333 forks•2626 stars•44 issues•00 pull requests•Updated Feb 12, 2026Feb 12, 2026

• bech32

  Public
  Bech32 encoding / decoding

  encodingbitcoinbase32+ 2

  encodingbitcoinbase32decodingbech32

  TypeScript

  •

  MIT License

  •4646 forks•115115 stars•11 issue•55 pull requests•Updated Jan 24, 2026Jan 24, 2026

• merkle-lib

  Public
  A performance conscious library for merkle root and tree calculations.

  bitcoinmerklehash+ 3

  bitcoinmerklehashdigestmerkle-treemerkle-root

  JavaScript

  •

  MIT License

  •1313 forks•3333 stars•11 issue•77 pull requests•Updated Jan 24, 2026Jan 24, 2026

• bip39

  Public
  JavaScript implementation of Bitcoin BIP39: Mnemonic code for generating deterministic keys

  javascriptbitcoinmnemonic+ 3

  javascriptbitcoinmnemonicbip39bitcoinjsbip

  JavaScript

  •

  ISC License

  •455455 forks•1.2k1.2k stars•88 issues•55 pull requests•Updated Jan 21, 2026Jan 21, 2026

• bip38

  Public
  BIP38 is a standard process to encrypt Bitcoin and crypto currency private keys that is less susceptible to brute force attacks thus protecting the user.

  javascriptencryptionbitcoin+ 3

  javascriptencryptionbitcoinscryptbitcoinjsbip38

  JavaScript

  •

  MIT License

  •105105 forks•219219 stars•00 issues•1515 pull requests•Updated Jan 21, 2026Jan 21, 2026

• bip66

  Public
  Strict DER signatures

  bitcoinbip66

  bitcoinbip66

  JavaScript

  •

  MIT License

  •77 forks•1515 stars•00 issues•11 pull request•Updated Nov 15, 2025Nov 15, 2025

• tiny-secp256k1

  Public
  A tiny secp256k1 native/JS wrapper

  rustnodewasm+ 2

  rustnodewasmsecp256k1rust-crate

  JavaScript

  •

  MIT License

  •5757 forks•107107 stars•55 issues•55 pull requests•Updated Sep 11, 2025Sep 11, 2025

• bolt11

  Public
  A library for encoding and decoding lightning network payment requests as defined in BOLT #11.

  lightningbitcoinnetwork+ 5

  lightningbitcoinnetworkpaymentrequestinvoicebech32bolt11

  JavaScript

  •

  MIT License

  •7676 forks•105105 stars•22 issues•99 pull requests•Updated Oct 29, 2024Oct 29, 2024

• uint8array-tools

  Public
  A set of tools for Uint8Array to aide in the move from Buffers.

  JavaScript

  •

  MIT License

  •22 forks•11 star•11 issue•22 pull requests•Updated Aug 29, 2024Aug 29, 2024

• summer-of-bitcoin-2024

  Public archive
  A place for proposal submissions.

  Creative Commons Zero v1.0 Universal

  •00 forks•00 stars•00 issues•00 pull requests•Updated Apr 26, 2024Apr 26, 2024

• regtest-server

  Public
  A regtest server for bitcoinjs-lib testing

  bitcoinregtestbitcoinjs+ 1

  bitcoinregtestbitcoinjsindexd

  JavaScript

  •

  BSD 3-Clause "New" or "Revised" License

  •2222 forks•2929 stars•22 issues•11 pull request•Updated Mar 29, 2024Mar 29, 2024

• bitcoinjs-message

  Public
  JavaScript

  •

  MIT License

  •8282 forks•133133 stars•33 issues•11 pull request•Updated Feb 9, 2024Feb 9, 2024

• regtest-client

  Public
  A client library based off of the integration tests of bitcoinjs-lib. This requires a server component.

  JavaScript

  •

  MIT License

  •99 forks•1919 stars•00 issues•00 pull requests•Updated Aug 28, 2023Aug 28, 2023

• payjoin-client

  Public
  A Payjoin Client Library in JS with TypeScript types

  TypeScript

  •

  MIT License

  •55 forks•1414 stars•00 issues•11 pull request•Updated Dec 10, 2022Dec 10, 2022

• bitcoin-ops

  Public
  bitcoin OP codes

  bitcoin

  bitcoin

  JavaScript

  •

  MIT License

  •3434 forks•1313 stars•00 issues•11 pull request•Updated Mar 17, 2022Mar 17, 2022

• bip32-utils

  Public
  A small set of utilities for use with BIP32 HD key nodes

  javascriptbitcoinbip32

  javascriptbitcoinbip32

  JavaScript

  •

  MIT License

  •5050 forks•7575 stars•11 issue•00 pull requests•Updated Feb 28, 2022Feb 28, 2022

• aezeed

  Public
  A package for encoding, decoding, and generating mnemonics of the aezeed specification. (WIP)

  TypeScript

  •

  MIT License

  •11 fork•1414 stars•11 issue•00 pull requests•Updated Jan 25, 2022Jan 25, 2022

• bitcoinjs.org

  Public
  HTML

  •77 forks•2020 stars•00 issues•00 pull requests•Updated Apr 16, 2021Apr 16, 2021

• indexd

  Public
  An external bitcoind index management service module

  databasebitcoinleveldb+ 3

  databasebitcoinleveldbaddress-indexindexbitcoinjs

  JavaScript

  •

  ISC License

  •2323 forks•5353 stars•55 issues•00 pull requests•Updated Mar 5, 2021Mar 5, 2021

• electrum-mnemonic

  Public
  Electrum Mnemonics (electrum v2 and greater)

  TypeScript

  •

  MIT License

  •66 forks•1616 stars•00 issues•00 pull requests•Updated May 4, 2020May 4, 2020

• fast-dat-parser

  Public
  Superfast blockchain parser for stats

  streamcplusplusbitcoin+ 3

  streamcplusplusbitcoinhigh-performanceblockchainfast-dat-parser

  C++

  •

  MIT License

  •2424 forks•7777 stars•33 issues•11 pull request•Updated Mar 5, 2020Mar 5, 2020