Top 11 Open-Source Alternatives to Mailosaur

Product categories

Accounting Affiliate Marketing Affiliate Networks Cloud Printing Disposable Email Email Email Productivity Email Testing Fake Email Office Suites SMTP Server Tool

Summary

The top open-source alternatives to Mailosaur are Mailtrap, MailHog, and MailCatcher. 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.

Mailtrap Landing Page
1

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
MailHog Landing Page
2

MailHog

MailHog is an email testing tool inspired by MailCatcher, but easier to install.
Pricing:
- Open Source
#Email #Office Suites #Email Testing
MailCatcher Landing Page
3

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
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
Papercut Landing Page
5

Papercut

Papercut is an operational print management platform designed for windows, macs, and Linux, helping you keep track of all your prints.
Pricing:
- Open Source
#Tool #Cloud Printing #Accounting
Inbucket Landing Page
6

Inbucket

Inbucket is an email testing application; it will accept messages for any email address and make...
Pricing:
- Open Source
#SMTP Server #Email #MTA 3 social mentions
SmtpMan Landing Page
7

SmtpMan

Whether you are developer, QA, or PM, SmtpMan has the tools for you to help building simple email testings,and never send broken emails again.
Pricing:
- Open Source
- Freemium
- Free Trial
#Email Testing #Email Marketing #Email
Guerrilla Mail Landing Page
8

Guerrilla Mail

Guerrilla Mail is a web-based app that provides a disposable and anonymous email address. Users of the service are not required to set up an account in order to send or receive emails.
Pricing:
- Open Source
#Disposable Email #Fake Email #Email Productivity 5 social mentions
HakuNeko Landing Page
9

HakuNeko

HakuNeko is an all-in-one cross-platform utility that supports you to download manga and anime with various website support.
Pricing:
- Open Source
#Online Services #Tool #Affiliate Marketing 16 social mentions
Firefox Relay Landing Page
10

Firefox Relay

Keep your email safe from hackers & trackers...
Pricing:
- Open Source
#Email #Fake Email #Disposable Email 82 social mentions
Roundcube Landing Page
11

Roundcube

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