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View Roundcube Webmail Project's top competitors like Atmail, Fastmail, and Horde LLC.

Zoho
Zoho offers beautifully smart software to help you grow your business. With over 100 million users worldwide, Zoho's 55+ products aid your sales and marketing, support and collaboration, finance, and recruitment needs—letting you focus only on your business. Zoho respects user privacy and does not have an ad-revenue model in any part of its business, including its free products. Zoho Corporation is a privately-held and profitable company headquartered in Austin, Texas with international headquarters in Chennai, India, with offices across the globe.
Chennai, IN
Private
$3.2B Revenue
https://www.zoho.com/
19.4K Employees
Ubiquiti Networks
Rethinking IT careers.ui.com.
New York, New York, US
Public
$1.1B Revenue
http://www.ui.com
1.6K Employees
UBNT Ticker
Zimbra
Zimbra offers businesses a secure, data-sovereign email and collaboration platform built on open standards. A low-risk alternative, it provides integrated email, calendar, contacts, tasks, and document sharing. Businesses gain complete control over their data with flexible on-premises or cloud deployment options, ensuring compliance and avoiding vendor lock-in. Empowering productivity with advanced security, Zimbra delivers a trusted and transparent communication solution designed for your needs.
SG
Private
$68.1M Revenue
https://www.zimbra.com
121 Employees

Top Roundcube Webmail Project Employees

G2 Leader Summer 2026 G2 Best Est ROI Mid-Market Summer 2026 G2 Easiest Admin Mid-Market Summer 2026 G2 Most Implementable Summer 2026 G2 Best Results Mid-Market Summer 2026 G2 Lead Capture Mid-Market Summer 2026 Inc Fastest Growing Private Companies 2026 Inc Best Workplace 2026
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chromestore
300K+ Plugin Users