A web tool for converting Electrum mnemonic codes

SFYL Wallet is a Bitcoin Hardware Wallet using WIFI and webpages as communication protocol.

Simple flow library 🖥️🖱️

Fast and dependency-free cryptographic hashing library for node.js and browsers (supports MD5, SHA1, SHA256, SHA512, RIPEMD, HMAC)

Liquid testnet faucet, asset issuer and minimal explorer based on a fullnode + flask app.

Ecash management tool

Bitcoin Core integration/staging tree

the Bitcoin companion

https://elementsproject.org website

A javascript Bitcoin library for node.js and browsers.

Awesome Resources for learning Marshall Rosenberg's Nonviolent Communication

Modular ASIC/FPGA miner written in C, featuring overclocking, monitoring, fan speed control and remote interface capabilities.

Open Source implementation of advanced blockchain features extending the Bitcoin protocol

Liquid Wallet browser extension

Advancing and preserving Bitcoin knowledge

High-quality QR Code generator library in Java, TypeScript/JavaScript, Python, Rust, C++, C.

A Bitcoin-clone (altcoin) Genesis block generator.

Dynamically generated QR codes for modern browsers.

A terminal for your browser, using node/express/socket.io

Sunwait calculates sunrise or sunset times with civil, nautical, astronomical and custom twilights, for use with Windows Task Scheduler or 'cron' on Linux.

Path MTU daemon - broadcast lost ICMP packets on ECMP networks

A simpler site generator. Transforms a directory of templates (of varying types) into HTML.

https://aquawallet.io

Smoothly transitions numbers with ease. #hubspot-open-source

C library for Bitcoin's base58 encoding

Bitcoin emoji wallet (mnemonic seed with emoji instead of words)

Bitcoin Core project website