Stripe Billing - A set of tools for billing and subscriptions

Stripe Atlas - The best way to start an internet business

ServiceBot - The new, open source way to run a business online. Subscription billing, Self-service customer portal, service lifecycle management?

IDC - The premier global market intelligence firm.

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.

Microsoft Office Excel - Microsoft Office Excel is a commercial spreadsheet application.