CryptoMarket - Price tracking app for bitcoin and altcoins

Checkout Page - Sell on your site with customizable checkouts. Tailor-made one page checkouts to sell digital products & services without an ecommerce store.

Coindar - Monitoring cryptocurrency events

Stripe - Online payment processing for internet businesses. Stripe is a suite of payment APIs that powers commerce for online businesses of all sizes. Use Stripe’s payment platform to accept and process payments online for easy-to-use commerce solutions.

Crypto Central - Bitcoin & cryptocurrency portfolio tracker 💸

Stripe Elements - Beautiful, smart checkout flows 💳💸