Solo - Personal kanban boards hosted on your own server

CoinList - Build a diverse portfolio of pre-launch token investments

Cash App - The easy way to send, spend, bank, and invest.

Crypto Buyer's Guide - Extensive cryptocurrency buying guide

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.

CoinCap.io - Shows the prices of different cryptocurrencies from ShapeShift.