Gazelle - Buy and Sell your used cell phones and electronics. Sell your iPhone, Samsung Galaxy, iPad and more for cash, or buy used iPhones, iPads and other cell phones. More than one million customers trust Gazelle.
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.
Swappa - Swappa is, in fact, an e-commerce website working as a platform for dealing with used smartphones, tablets, and mobile phones related accessories as well.
Chargebee - Chargebee lets you manage subscriptions and payments at scale, handle custom recurring billing scenarios, reduce subscription churn and simplify accounting.
Quicko - Quicko is an online DIY Tax planning, preparing and filing platform for Individuals and Businesses in India.
Recurly - Subscription billing and recurring billing management. Recurly offers enterprise-class subscription billing for thousands of companies worldwide.