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.

Codezero - Collaborative Local Microservices Development

NowPay - Salary advances and auto-bill payments for employees

LeadMD - LeadMD is the revenue performance consultancy that cuts through the BS by making your vision actionable and your outcomes measureable

PayRequest - SImple Fast Payment Links

Sirius - An open-source clone of Siri from UMICH