Free, open-source & self-hosted, Bitcoin payments
Qtum Core Wallet
Decred daemon in Go (golang)
Free, open-source crypto trading bot, automated bitcoin trading
OpenZeppelin Contracts is a library for secure smart contracts
A decentralized bitcoin exchange network
Stellar's public monorepo of go code
A Binance Smart Chain client based on the go-ethereum fork
The AirGap Wallet is installed on an everyday smartphone
DDN, Data Delivery Network, a next generation blockchain system
A Framework for Building High Value Public Blockchains
Blockchain in C#/.NET for on-chain, decentralized gaming
Forensic tool to recover lost BTC private keys.
The safest way to store private data in untrusted (cloud) environments
Bitcoin Alts portfolio tracker, email / text / alexa / telegram alerts
download crypto exchange with source code free
Visualize Solidity control flow for smart contract security analysis
Tendermint Core (BFT Consensus) in Go
Mastering the Lightning Network (LN)
subdomain scanner
OpenBazaar 2.0 Server Daemon in Go
Chainquery parses and syncs the LBRY blockchain data
The Blockstack Browser allows you to explore the Blockstack internet
Decentralized websites using Bitcoin crypto and BitTorrent network