anchor.diff:  BFGMiner,http://bfgminer.com,yes,yes,mining software,
   Bitso,https://bitso.com,yes,yes,exchange,bitcoin core
   Bitclub,https://www.blocktrail.com/BTC/pool/bitclubnetwork,yes,yes,mining pool,ckpool
  +Bitcoin Embassy, https://bitcoinembassy.ca, yes, yes, commmunity hub, bitcoin core
   Bitcoin India,https://bitcoin-india.org/,yes,yes,"exchange, pool",bitcoin core
   Bitcoin Knots,https://bitcoinknots.org/,yes,yes,"node, wallet",n/a
   BitcoinJ,https://bitcoinj.github.io/,yes,wip,library,n/a
  
positive.code: python-bitcoinlib,https://github.com/petertodd/python-bitcoinlib,yes,no,library,
  pycoin,https://github.com/richardkiss/pycoin,yes,yes,library,
  Samourai Wallet,http://samouraiwallet.com/,yes,wip,wallet,bitcoinj
  Slush Pool,https://www.slushpool.com/,yes,yes,mining pool,
  SpicePay,https://www.spicepay.com/,yes,wip,"exchange, merchant",
  stratum-mining,https://github.com/slush0/stratum-mining/,yes,yes,"pool software",
  
negative.code: btcd,https://github.com/btcsuite/btcd,yes,wip,"full node",
  btcpool,https://github.com/btccom/btcpool,yes,wip,"pool software",
  bustabit,https://www.bustabit.com,yes,wip,gambling,bitcoin core
  Bylls, https://bylls.com, yes, wip, payment processor, bitcore
  cgminer,https://www.blocktrail.com/,yes,yes,mining software,
  ckpool,https://bitbucket.org/ckolivas/ckpool,yes,yes,pool software,
  CK solopool,http://solo.ckpool.org/,yes,yes,"mining pool","bitcoin core, ckpool"
  