Top 9 Open-Source Alternatives to EmailJS

EmailJS

Send email directly from your client-side Javascript code – no server side code required. Add static or dynamic attachments, dynamic parameters, captcha code and more. Start with our free tier!

Product categories

Calendar Email Email Clients Email Delivery Email Management Email Marketing Email Marketing Platforms Email Testing Office Suites SMTP Server Self-hosted Email Transactional Email

Summary

The top open-source alternatives to EmailJS are PHPMailer, Mailgun, 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.

PHPMailer Landing Page
1

PHPMailer

Email sending library for PHP.
Pricing:
- Open Source
#Email Marketing #Email Delivery #Transactional Email
Mailgun Landing Page
2

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
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
Mailtrap Landing Page
4

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
Roundcube Landing Page
5

Roundcube

Web-based IMAP email client
Pricing:
- Open Source
#Email #SMTP Server #Email Clients 16 social mentions
MJML Landing Page
6

MJML

The open source framework for responsive emails
Pricing:
- Open Source
#Email Marketing #Email Newsletters #Email Productivity 87 social mentions
iRedMail Landing Page
7

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
Amazon SES Landing Page
8

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
Spark Mail Landing Page
9

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