Top 12 Open-Source Alternatives to mailbox.org

mailbox.org

mailbox.org offers a secure e-mail account for home and business use. The domain name, me@mailbox.

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Product categories

Calendar Disposable Email Email Email Archiving Email Clients Email Management Email Productivity Email Service Provider Enterprise Communication Hosted Email SMTP Server Self-hosted Email

Summary

The top open-source alternatives to mailbox.org are Tutanota, Mailpile, and Mail-in-a-box. 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.

Tutanota Landing Page
1

Tutanota

Get your encrypted mailbox for free.
Pricing:
- Open Source
#Email #Enterprise Communication #Email Clients 180 social mentions
Mailpile Landing Page
2

Mailpile

Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features.
Pricing:
- Open Source
#Email #Enterprise Communication #Email Clients
Mail-in-a-box Landing Page
3

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 #Email Service Provider #Email Clients 122 social mentions
Roundcube Landing Page
4

Roundcube

Web-based IMAP email client
Pricing:
- Open Source
#Email #Email Clients #SMTP Server 16 social mentions
iRedMail Landing Page
5

iRedMail

A fully fledged, free email server solution, an open source project (GPL v2).
Pricing:
- Open Source
#Email #Email Clients #SMTP Server 3 social mentions
SimpleLogin Landing Page
6

SimpleLogin

Receive and send emails anonymously. Create a unique email address for each website to avoid cross-site tracking and protect your inbox from spam, phishing and data breaches.
Pricing:
- Open Source
- Freemium
- Free Trial
- $2.99 / Monthly (Premium)
#Email #Fake Email #Email Productivity 273 social mentions
Thexyz Landing Page
7

Thexyz

Secure premium email service with mobile sync apps for calendar, contacts, tasks, notes and FISMA compliant email archiving.
Pricing:
- Open Source
- Paid
- $2.95 / Monthly (25GB)
#Email #Website Builder #Email Archiving 1 social mentions
FairEmail Landing Page
8

FairEmail

Open source, privacy friendly email app
Pricing:
- Open Source
#Email #Calendar #Email Clients 52 social mentions
mailcow Landing Page
9

mailcow

An open source mailserver suite.
Pricing:
- Open Source
#Email #Open Source #Email Service Provider 87 social mentions
Spark Mail Landing Page
10

Spark Mail

Spark helps you take your inbox under control. Instantly see what’s important and quickly clean up the rest. Spark for Teams allows you to create, discuss, and share email with your colleagues
Pricing:
- Open Source
#Email #Calendar #Email Clients 30 social mentions
Mailspring Landing Page
11

Mailspring

Mailspring is a mail client for Mac, Windows and Linux.
Pricing:
- Open Source
#Email #Calendar #Enterprise Communication 25 social mentions
Criptext Landing Page
12

Criptext

Criptext - Security that goes beyond encryption.
Pricing:
- Open Source
#Email #Enterprise Communication #Email Service Provider 3 social mentions