Top 12 Open-Source Alternatives to eM Client

eM Client

eM Client is a fully-featured email client for Windows and macOS with a clean and easy-to-use interface. eM Client also offers features for calendars, tasks, contacts, notes, and chat.

4 mentions

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Pricing:

Freemium
Free Trial
Official Pricing

Platforms:

Windows
Mac OSX

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Product categories

Calendar Communication Design Tools Developer Tools Email Email Clients Email Marketing Email Service Provider Enterprise Communication Network & Admin SMTP Server Self-hosted Email

Summary

The top open-source alternatives to eM Client are Mailspring, Spark Mail, and Roundcube. 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.

Mailspring Landing Page
1

Mailspring

Mailspring is a mail client for Mac, Windows and Linux.
Pricing:
- Open Source
#Email #Email Clients #Calendar 25 social mentions
Spark Mail Landing Page
2

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
Roundcube Landing Page
3

Roundcube

Web-based IMAP email client
Pricing:
- Open Source
#Email #Email Clients #SMTP Server 16 social mentions
Rainglow Color Themes Landing Page
4

Rainglow Color Themes

320+ color themes for a variety of editors and software.
Pricing:
- Open Source
#Developer Tools #Email #Design Tools 2 social mentions
FairEmail Landing Page
5

FairEmail

Open source, privacy friendly email app
Pricing:
- Open Source
#Email #Email Clients #Calendar 52 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 3 social mentions
EmailEngine App Landing Page
7

EmailEngine App

EmailEngine is an email client but for apps, not people. It connects to the user's email server, translates REST API requests from the app to IMAP and SMTP commands, and sends webhooks for changes like new or deleted emails.
Pricing:
- Open Source
- Paid
- Free Trial
- €795.0 / Annually (Unlimited self hosted instances)
#Developer Tools #Email #REST API 13 social mentions
Radicale Landing Page
8

Radicale

The Radicale Project is a complete CalDAV (calendar) and CardDAV (contact) server solution.
Pricing:
- Open Source
#Network & Admin #Email #Email Clients 15 social mentions
Baïkal Landing Page
9

Baïkal

Cal and CardDAV server
Pricing:
- Open Source
#Network & Admin #Email #Email Clients 22 social mentions
Tutanota Landing Page
10

Tutanota

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

ST

Slack Themes

Make your Slack pretty with custom themes
Pricing:
- Open Source
#Email #Email Clients #Communication 1 social mentions
Nextcloud Mail Landing Page
12

Nextcloud Mail

💌 Mail app for Nextcloud
Pricing:
- Open Source
#Email #Email Clients #Enterprise Communication 5 social mentions