Global Web Mail Usage Statistics and Market Share

We are tracking usage statistics and market share of 7 web technologies in Web Mail. In October 2023 the most popular web technology in Web Mail is RoundCube with 69% market share. In second place there is SquirrelMail with 13% market share. After that there are Zimbra with 10%, Outlook Web App with 3% and RainLoop with 3% market share. Top 5 web technologies together have 97% market share. The remaining 2 web technologies in Web Mail have a combined market share of 3%.

Web Mail Market Share in October 2023
About Web Mail

Web mail is an email client implemented as a web application running on a web server.

We are tracking 7 different technologies in Web Mail.

There are 4,638 websites using Web Mail in out database.

Web Mail Usage Statistics and Market Share in October 2023
Technologies in Web Mail
  • RoundCube RoundCube

    RoundCube is free and open-source web-based IMAP email client.

  • SquirrelMail SquirrelMail

    SquirrelMail is an open-source web-mail package that is based on PHP language. It provides a web-based-email client and a proxy server for IMAP protocol.

  • Zimbra Zimbra

  • Outlook Web App Outlook Web App

    Outlook on the web is an information manager web app. It includes a web-based email client, a calendar tool, a contact manager, and a task manager.

  • RainLoop RainLoop

    RainLoop is a web-based email client.

  • Sympa Sympa

    Sympa is an open-source mailing list management (MLM) software.

  • CrossBox CrossBox

    CrossBox is a webmail client.

Web Mail Market Share History in Last 12 Months
Technology December 2022January 2023February 2023March 2023April 2023May 2023June 2023July 2023August 2023September 2023October 2023
Outlook Web App6.21%6.13%6.06%6.72%6.06%5.99%5.90%5.91%5.85%5.77%5.74%