Gmail

Gmail is the email service provided by Google. As of 2019, it had 1.5 billion active users worldwide, making it the largest email service in the world. It also... Wikipedia

Available in: 133 languages
Owner: Google
Created by: Paul Buchheit
Commercial: Yes
Registration: Required
Users: 1.5 billion (October 2019)
Launched: April 1, 2004
Current status: Active
Written in: Java, C++ (back-end), JavaScript (UI)