Webmail
About Webmail
Webmail tools help websites with web-based email clients and email management. There are 9 Webmail technologies tracked in our database, used across 265 website deployments.
Technologies
9
Total Detections
265
#1 Technology
Outlook Web App
1
Outlook Web App
114 companies2RoundCube
90 companies3Zadarma
36 companies4Zimbra
16 companies5SquirrelMail
3 companies6RainLoop
2 companies7Open-Xchange App SuiteEmail
2 companies8CrossBox
1 companies9Sympa
1 companiesFrequently Asked Questions
What is the most popular Webmail tool?+
Outlook Web App is the most popular Webmail tool with 114 companies using it.
How many Webmail tools exist?+
We track 9 Webmail technologies in our database.
What companies use Webmail tools?+
Webmail tools are used across 265 website deployments by companies in every major industry.
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Browse DatasetsData last updated: June 2026