Top 12 Open-Source Alternatives to Newton Mail

Product categories

Anti-Spam Calendar Cyber Security Email Email Clients Email Management Email Service Provider Enterprise Communication Open Source Productivity SMTP Server Self-hosted Email

Summary

The top open-source alternatives to Newton Mail are Spark Mail, FairEmail, 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.

Spark Mail Landing Page
1

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 #Email Clients #Calendar 30 social mentions
FairEmail Landing Page
2

FairEmail

Open source, privacy friendly email app
Pricing:
- Open Source
#Email #Email Clients #Calendar 52 social mentions
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
Mailspring Landing Page
4

Mailspring

Mailspring is a mail client for Mac, Windows and Linux.
Pricing:
- Open Source
#Email #Email Clients #Calendar 25 social mentions
Tutanota Landing Page
5

Tutanota

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

SpamAssassin

Use this program to "Unspam" your mailbox(es).
Pricing:
- Open Source
#Email Security #Email #Cyber Security 4 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
Wavebox Landing Page
8

Wavebox

The powerful productivity browser like no other, multi-account sign-in, tab sleeping, groups & pins
Pricing:
- Open Source
- Freemium
- Free Trial
- $8.32 / Monthly
#Messaging #Enterprise Communication #Productivity 16 social mentions
Kanmail Landing Page
9

Kanmail

An email client that works like a kanban board.
Pricing:
- Open Source
- Paid
- Free Trial
- $45.0 / One-off (Limited time v1 license)
#Email Clients #Kanban #Productivity 4 social mentions
iRedMail Landing Page
10

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
Emailgurus.xyz Landing Page
11

Emailgurus.xyz

Emailgurus lower your Gmail inbox density by +60% by classifying emails from people you don't know
Pricing:
- Open Source
- Freemium
- Free Trial
- $6.99 / Monthly
#Productivity #Email #Open Source 4 social mentions
mailcow Landing Page
12

mailcow

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