1. Secure your bitcoin with the open source, HD-multisignature wallet from BitPay.

  2. Bitcoin payment gateway. Enterprise-grade solutions, from the pioneer of bitcoin payments.

  3. A cryptocurrency exchange and multicoin wallet

  4. Cryptocurrency prices, markets, top lists, charts. Including more than 1900 coins, converter, portfolio, watch-list, news-feed and more. โ‡๏ธ Coinlore.

  5. Provide reliable and easy to use service for companies and individuals to exchange bitcoins.

  6. Delta is the ultimate cryptocurrency portfolio management tool.

  7. Blockfolio offers complete Bitcoin and Altcoin cryptocurrency management, with easy to use tools to keep track of all your crypto investments.

  8. Mycelium Local Trader is a decentralized in-person exchange that is built right into your bitcoin...

  9. PayPal is the faster, safer way to pay online without sharing financial details, send and receive money or accept credit and debit cards as a seller

  10. Convenient & secure cryptocurrency wallet.

  11. A professional trading platform for cryptocurrencies

  12. An open API for Blockchain timestamping