Seald - Keep your conversations secure, everywhere.
PayPal - 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
Spike - Spike solves businesses' communication chaos by bringing together email, team chat, collaborative docs, and meetings, into one feed.
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.
Keybase Chat - End-to-end encrypted chat built into Keybase
Braintree - An all-in-one solution to accept, process, and split payments in your mobile app or online - from small business to large enterprise.