Top 12 Open-Source Alternatives to Squirrelmail

Product categories

Calendar Disposable Email Disposable Sms Email Email Clients Email Management Email Service Provider Email Testing End To End Testing Enterprise Communication SMTP Server Self-hosted Email

Summary

The top open-source alternatives to Squirrelmail are Roundcube, 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.

Roundcube Landing Page
1

Roundcube

Web-based IMAP email client
Pricing:
- Open Source
#Email #Email Clients #SMTP Server 16 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
SOGo Landing Page
4

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
Cypht Landing Page
5

Cypht

All your E-mail, from all your accounts, in one place. Cypht is like a news reader, but for E-mail.
Pricing:
- Open Source
#Email #Email Clients #Email Management 4 social mentions
iRedMail Landing Page
6

iRedMail

A fully fledged, free email server solution, an open source project (GPL v2).
Pricing:
- Open Source
#Email #SMTP Server #Self-hosted Email 2 social mentions
Mail-in-a-box Landing Page
7

Mail-in-a-box

Mail-in-a-Box provides webmail and an IMAP/SMTP server for use with mobile devices and desktop mail software and also includes contacts and calendar synchronization.
Pricing:
- Open Source
#Email #Self-hosted Email #Email Service Provider 115 social mentions
mailcow Landing Page
8

mailcow

An open source mailserver suite.
Pricing:
- Open Source
#Email #Self-hosted Email #Email Service Provider 82 social mentions
Mailspring Landing Page
9

Mailspring

Mailspring is a mail client for Mac, Windows and Linux.
Pricing:
- Open Source
#Email #Email Clients #Calendar 25 social mentions
Tutanota Landing Page
10

Tutanota

Get your encrypted mailbox for free.
Pricing:
- Open Source
#Email #Email Clients #Enterprise Communication 177 social mentions
Mailtrap Landing Page
11

Mailtrap

Email Delivery Platform that delivers just in time.  Great for businesses and individuals.
Pricing:
- Open Source
- Freemium
#Office Suites #Email #Email Testing 50 social mentions
mailslurp Landing Page
12

mailslurp

Email and SMS testing and development platform for software engineers and QA testers
Pricing:
- Open Source
- Freemium
- Free Trial
#Email #Email Testing #SMS