AngelList

Dead-simple e-commerce (w/ payments) across social, mobile, and web. AngelPad S11.

Price comparison meets automatic replenishment on the items you buy over and over again.

Cloud-based point-of-sale system with integrated payments and app platform (YC W2012)

The artificially intelligent, social way to pay.

A magical point of sale experience

All in one payments solution

Pay faster. Pay smarter.

Subscription Billing. Zen Simplicity.

Next-generation restaurant technology with mobile ordering (AngelPad S11)

The Internet's payment network

Organising Sports Games and Engaging Players [Seedcamp 12 and 500 Startups Batch 4)]

1-Click Shopping for the Real World

The Twitter Commerce Platform.

Next Generation Banking

Prepaid mobile wallet

A web-based Bitcoin Platform that brings Private Banking to the 21st century

Smart Banking for Group Activities.

The 21st Century Check

Easy Mobile Invoicing & Payments

Mobile credit card scanning

Stripe makes it easy to start accepting credit cards on the web today

Mobile payments, cheaper and easier than credit cards.

Online platform that helps Nonprofits fundraise & grow their communities.