Top 12 Open-Source Alternatives to Mailwarm

Product categories

Email Email Clients Email Management Email Marketing Email Marketing Platforms Email Newsletters Email Productivity Email Testing Enterprise Communication Office Suites SMTP Server Tool

Summary

The top open-source alternatives to Mailwarm are Folderly, MailCatcher, and MailHog. 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.

Folderly Landing Page
1

Folderly

Folderly is an all-in-one email deliverability platform to supercharge your email performance. Locate, solve, prevent email deliverability pitfalls, and ensure that your emails reach the Inbox folder.
Pricing:
- Open Source
- Paid
- Free Trial
- $120.0 / Monthly (Folderly Premium)
#Email Deliverability #Email Marketing Platforms #Email Marketing 60 social mentions
MailCatcher Landing Page
2

MailCatcher

MailCatcher runs a super simple SMTP server which catches any message sent to it to display in a...
Pricing:
- Open Source
#Office Suites #Email #Email Testing 12 social mentions
MailHog Landing Page
3

MailHog

MailHog is an email testing tool inspired by MailCatcher, but easier to install.
Pricing:
- Open Source
#Email #Office Suites #Email Testing
mailslurp Landing Page
4

mailslurp

Email and SMS testing and development platform for software engineers and QA testers
Pricing:
- Open Source
- Freemium
- Free Trial
#Email #Email Testing #SMS
iRedMail Landing Page
5

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
Roundcube Landing Page
6

Roundcube

Web-based IMAP email client
Pricing:
- Open Source
#Email #Email Clients #SMTP Server 16 social mentions
Mailtrap Landing Page
7

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
Lightmeter Landing Page
8

Lightmeter

Postfix monitoring and problem resolution
Pricing:
- Open Source
#Email #Lifestyle #Enterprise Communication 3 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
MJML Landing Page
10

MJML

The open source framework for responsive emails
Pricing:
- Open Source
#Email Marketing #Email Newsletters #Email Productivity 86 social mentions
Mailtrain Landing Page
11

Mailtrain

Self-hosted open-source Mailchimp clone
Pricing:
- Open Source
#Email Marketing #Newsletter Marketing #Email Marketing Platforms 2 social mentions
Cakemail Landing Page
12

Cakemail

Email marketing and transactional emails that deliver. Try it for FREE!
Pricing:
- Open Source
- Freemium
- Free Trial
- $8.0 / Monthly (Growth)
#Marketing Automation #Email Marketing #Email Marketing Platforms