Adobe ConnectAdobe Connect

Adobe Connect Usage Statistics · Download List of All Websites using Adobe Connect

Adobe Connect web conferencing software offers online meeting functionality, virtual classrooms and large scale webinars.

Workplace by FacebookWorkplace by Facebook

Workplace by Facebook Usage Statistics · Download List of All Websites using Workplace by Facebook

Group discussion, a personalised News Feed, and voice and video calling from Facebook.

Email Hosting Providers

MandrillMandrill

Mandrill Usage Statistics · Download List of All Websites using Mandrill

Mandrill is an email infrastructure service. Detailed analytics offer insight to measure email performance.

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.

Standard

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