bitcoin.org
github.com/bitcoin/bitcoin
ethereum.org
github.com/ethereum
litecoin.org
github.com/litecoin-project
storj.io
github.com/Storj
getmonero.org
github.com/monero-project
ethereumclassic.github.io
github.com/ethereumclassic
blockstack.org
github.com/blockstack
ipfs.io
github.com/ipfs