Top 9 Open-Source Alternatives to Mail 250

The top open-source alternatives to Mail 250 are Listmonk, EngageBay, and Osmosis. 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.

Listmonk Landing Page
1

Listmonk

Send e-mail campaigns from a powerful dashboard. High performance and features packed into one app.
Pricing:
- Open Source
- Free
#Newsletter Marketing #Self-Hosted Newsletter #Email Marketing 24 social mentions
EngageBay Landing Page
2

EngageBay

EngageBay is an affordable all-in-one marketing, sales CRM and service helpdesk software for growing companies to acquire, engage and nurture web visitors to happy customers.
Pricing:
- Open Source
- Freemium
- Free Trial
#Marketing Automation #Email Marketing #Landing Pages 17 user reviews
Osmosis Landing Page
3

Osmosis

Osmosis is a command line Java application for processing ...
Pricing:
- Open Source
#Newsletter Marketing #Email Marketing #Email Management
Mailtrain Landing Page
4

Mailtrain

Self-hosted open-source Mailchimp clone
Pricing:
- Open Source
#Email Marketing #Newsletter Marketing #Email Marketing Platforms 2 social mentions
Lightmeter Landing Page
5

Lightmeter

Postfix monitoring and problem resolution
Pricing:
- Open Source
#Email #Lifestyle #Enterprise Communication 3 social mentions
MJML Landing Page
6

MJML

The open source framework for responsive emails
Pricing:
- Open Source
#Email Marketing #Email Newsletters #Email Productivity 86 social mentions
mailcow Landing Page
7

mailcow

An open source mailserver suite.
Pricing:
- Open Source
#Email #Self-hosted Email #Email Service Provider 82 social mentions
Mailgun Landing Page
8

Mailgun

A set of powerful APIs that enable you to send, receive and track email from your app effortlessly whether you use Python, Ruby, PHP, C#, Node.js or Java.
Pricing:
- Open Source
#Email Delivery #Transactional Email #Email Marketing 11 social mentions
Postmark Landing Page
9

Postmark

Postmark is the easiest and most reliable way to be sure your important transactional emails get to the inbox. Simply & reliably parse recieved email to JSON for your webapp.
Pricing:
- Open Source
#Email Delivery #Email Marketing #Email Marketing Platforms 49 social mentions