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.

Google Authenticator - Google Authenticator is a multifactor app for mobile devices.

UniPayGateway - Ultimate payment gateway software for merchants, ISOs and PSPs. Full range of payment gateway capabilities. Functionality rich open source payment system.

Microsoft Authenticator - One app to quickly and securely verify your identity online, for all of your accounts.

Zuora - Zuora creates cloud-based software on a subscription basis that enables any company in any industry to successfully launch, manage, and transform into a subscription business.

Authenticator - Authenticator is a simple, free, and open source two-factor authentication app.