Top 12 Open-Source Alternatives to Mailgun

The top open-source alternatives to Mailgun are Amazon SES, Postmark, and Sparkpost. 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.

Amazon SES Landing Page
1

Amazon SES

Scale your business email & marketing messages with Amazon Simple Email Service (SES), a cost-effective and reliable cloud email service. Sign up today.
Pricing:
- Open Source
#Email Delivery #Email Marketing #Transactional Email 65 social mentions
Postmark Landing Page
2

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
Sparkpost Landing Page
3

Sparkpost

Deliver your app and website emails on time and to the inbox. Trusted to send 25% of the world's non-spam email. Email delivery for companies big and small.
Pricing:
- Open Source
#Email Marketing #Email Delivery #Email Marketing Platforms 3 social mentions
Zoho Campaigns Landing Page
4

Zoho Campaigns

Smart email marketing software that helps you reach your target audiences, engage in a personalized way, and grow your brand presence.
Pricing:
- Open Source
- Freemium
- $25.0 / Monthly (up to 2500 contacts, unlimited emails)
#Email Marketing #Email Marketinng Automation #Email Workflow
PHPMailer Landing Page
5

PHPMailer

Email sending library for PHP.
Pricing:
- Open Source
#Email Marketing #Email Delivery #Transactional Email
Mailtrap Landing Page
6

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
Listmonk Landing Page
7

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
MoonMail Landing Page
8

MoonMail

MoonMail is the easiest email marketing platform. Create, design and analyze your Email Marketing campaigns in a minute.
Pricing:
- Open Source
#Email Marketing #Email Marketing Platforms #Newsletter Marketing 1 social mentions
Transactional Email Templates by Postmark Landing Page
9

Transactional Email Templates by Postmark

Open source email templates for use in your SaaS app.
Pricing:
- Open Source
#Email Marketing #HTML To PDF #Email
OneSignal Landing Page
10

OneSignal

Customer engagement platform used by over 1 million developers and marketers; the fastest and most reliable way to send mobile and web push notifications, in-app messages, emails, and SMS.
Pricing:
- Open Source
- Freemium
- Free Trial
- $9.0 / Monthly (Plus usage-based costs. (Growth Plan). )
#Mobile Push Messaging #Web Push Notifications #Push Notifications 25 social mentions
Dada Mail Landing Page
11

Dada Mail

Email Marketing List Manager
Pricing:
- Open Source
#Email Marketing #Newsletter Marketing #Email Marketing Platforms 1 social mentions
Mailtrain Landing Page
12

Mailtrain

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