BITCOIN & CRYPTO DIRECTORY

GitHub crypto projects

Explore public repositories for Bitcoin and crypto. Compare topics, licenses and recent activity.

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GitHub crypto projects

8,425 listings

Popularity comes from GitHub stars. Seven-day growth appears after a full week of local snapshots; this is our collection, not GitHub’s official trending chart.

Developer tools & open source

ElementsProject/rust-elements

ElementsProject/rust-elements · Rust types for parsing and serializing Elements transactions and network messages.

Pricing
Free software; network or service fees may apply
Platforms
Source code
bitcoinlib
Wallets & custody

Blockstream/green_android

Blockstream/green_android · Android source for Blockstream App, with watch-only access and Jade hardware-wallet support.

Platforms
Source code, Android
Multisignature support
Supported
bitcoinwallet
Wallets & custody

Blockstream/green_ios

Blockstream/green_ios · iOS source for Blockstream App, with watch-only access, spending limits and multisig.

Platforms
Source code, iOS
Multisignature support
Supported
bitcoinwallet
Wallets & custody

Blockstream/green_qt

Blockstream/green_qt · Desktop source for the Blockstream wallet, with Linux, macOS and Windows build instructions.

Platforms
Source code, Linux, macOS, Windows
bitcoinwallet
Hosting & infrastructure

Blockstream/blind_pin_server

Blockstream/blind_pin_server · PIN oracle server for Jade that limits attempts without learning the PIN.

Pricing
Free software; network or service fees may apply
Platforms
Source code
bitcoinops
Developer tools & open source

sparrowwallet/hummingbird

sparrowwallet/hummingbird · Java implementation of Uniform Resources for encoding and decoding structured QR payloads.

Pricing
Free software; network or service fees may apply
Platforms
Source code
bitcoinlib
Developer tools & open source

sparrowwallet/lark

sparrowwallet/lark · Java hardware-wallet communication library derived from HWI and extended for Sparrow.

Pricing
Free software; network or service fees may apply
Platforms
Source code
bitcoinlib
Wallets & custody

Foundation-Devices/passport2

Foundation-Devices/passport2 · Passport firmware source, organized into the bootloader and updatable main firmware.

Platforms
Source code
bitcoinfirmware
Wallets & custody

Foundation-Devices/envoy

Foundation-Devices/envoy · Envoy companion wallet for Passport, with Flutter UI and Rust cryptographic libraries.

Platforms
Source code
bitcoinwallet
Developer tools & open source

trezor/trezor-user-env

trezor/trezor-user-env · Test environment for controlling Trezor emulators and Bridge through a WebSocket server.

Platforms
Source code
bitcoindemo
Developer tools & open source

bitcoinjs/bip68

bitcoinjs/bip68 · Encode relative Bitcoin locktimes as block counts or 512-second time intervals.

Pricing
Free software; network or service fees may apply
Platforms
Source code
bitcoinlib
Developer tools & open source

bitcoinjs/bip65

bitcoinjs/bip65 · Encode absolute Bitcoin locktimes using block heights or Unix timestamps.

Pricing
Free software; network or service fees may apply
Platforms
Source code
bitcoinlib
Developer tools & open source

bitcoinjs/bitcoinjs-message

bitcoinjs/bitcoinjs-message · Sign and verify Bitcoin messages, with examples covering SegWit signature options.

Pricing
Free software; network or service fees may apply
Platforms
Source code
bitcoinlib
Developer tools & open source

bitcoinjs/varuint-bitcoin

bitcoinjs/varuint-bitcoin · Encode and decode Bitcoin variable-length integers across the CompactSize boundaries.

Pricing
Free software; network or service fees may apply
Platforms
Source code
bitcoinlib
Developer tools & open source

bitcoinjs/pushdata-bitcoin

bitcoinjs/pushdata-bitcoin · Encode and decode Bitcoin Script OP_PUSHDATA length values.

Pricing
Free software; network or service fees may apply
Platforms
Source code
bitcoinlib
Developer tools & open source

bitcoinjs/uint8array-tools

bitcoinjs/uint8array-tools · Byte-array helpers for hexadecimal, UTF8 and comparisons in browsers and Node.js.

Pricing
Free software; network or service fees may apply
Platforms
Source code
bitcoinlib
Developer tools & open source

getAlby/lightning-tools

getAlby/lightning-tools · Lightning Web SDK with common helpers for building payment-enabled web applications.

Pricing
Free software; network or service fees may apply
Platforms
Source code
bitcoinlib
Accept payments

lnbits/boltcards

lnbits/boltcards · Bolt Card extension linking NTAG424 DNA NFC cards to an LNbits wallet.

Platforms
Source code
Software license
MIT
bitcoinpay
Hosting & infrastructure

btcpayserver/btcpayserver-docker

btcpayserver/btcpayserver-docker · Official BTCPay Docker deployment that generates and operates a Compose stack.

Pricing
Free software; network or service fees may apply
Platforms
Source code
bitcoinops
Developer tools & open source

btcpayserver/BTCPayServer.Lightning

btcpayserver/BTCPayServer.Lightning · C# abstraction for integrating multiple Lightning node APIs through a common client interface.

Pricing
Free software; network or service fees may apply
Platforms
Source code
bitcoinlib
Developer tools & open source

bitcart/bitcart-sdk

bitcart/bitcart-sdk · Bitcart daemon client library with Bitcoin and Lightning support.

Pricing
Free software; network or service fees may apply
Platforms
Source code
bitcoinlib
Hosting & infrastructure

bitcart/bitcart-docker

bitcart/bitcart-docker · Docker deployment scripts for running a Bitcart payment stack on Linux.

Pricing
Free software; network or service fees may apply
Platforms
Source code
bitcoinops

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