Top 6 Open-Source Alternatives to Zimbra Web Client

Product categories

Calendar Email Email Clients Email Management Enterprise Communication Hosted Email SMTP Server Self-hosted Email

Summary

The top open-source alternatives to Zimbra Web Client are SOGo, Rainloop, and Mailpile. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

SOGo Landing Page
1

SOGo

SOGo is groupware server with a focus on scalability and open standards.
Pricing:
- Open Source
#Email #Email Clients #Self-hosted Email 1 social mentions
Rainloop Landing Page
2

Rainloop

RainLoop is a web based email client.
Pricing:
- Open Source
#Email #Email Clients #Email Management
Mailpile Landing Page
3

Mailpile

Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features.
Pricing:
- Open Source
#Email #Email Clients #Email Management
Squirrelmail Landing Page
4

Squirrelmail

SquirrelMail is a standards-based webmail package written in PHP.
Pricing:
- Open Source
#Self-hosted Email #Enterprise Communication #Email 3 social mentions
Tutanota Landing Page
5

Tutanota

Get your encrypted mailbox for free.
Pricing:
- Open Source
#Email #Email Clients #Enterprise Communication 177 social mentions
Roundcube Landing Page
6

Roundcube

Web-based IMAP email client
Pricing:
- Open Source
#Email #SMTP Server #Email Clients 16 social mentions