StripeStripe

Stripe Usage Statistics · Download List of All Websites using Stripe

Stripe makes it easy for developers to accept credit cards on the web.

Checkout Buttons · Payments Processor

Email Hosting Providers

SendgridSendgrid

Sendgrid Usage Statistics · Download List of All Websites using Sendgrid

SendGrid's cloud-based email infrastructure provides businesses with email delivery management.

Transactional Email

SPFSPF

SPF Usage Statistics · Download List of All Websites using SPF

The Sender Policy Framework is an open standard specifying a technical method to prevent sender address forgery.

Google Apps for BusinessGoogle Apps for Business

Google Apps for Business Usage Statistics · Download List of All Websites using Google Apps for Business

Web-based email, calendar, and documents for teams. Renamed to Google Apps for Work, but now known as G Suite from Google Cloud.

Business Email Hosting

DMARCDMARC

DMARC Usage Statistics · Download List of All Websites using DMARC

A technical specification created by a group of organizations that want to help reduce the potential for email-based abuse

DMARC

Operating Systems and Servers