getapp-logo

App comparison

Add up to 4 apps below to see how they compare. You can also use the "Compare" buttons while browsing.

Software categoriesBlog & researchAbout us

GetApp offers objective, independent research and verified user reviews. We may earn a referral fee when you visit a vendor through our links. 

Top Rated Transactional Email Software with Open source - Page 3

Last updated: November 2026

1 filter applied

Features

Integrated with

Pricing model

Devices supported

Organization types

User rating

134 software options

Magileads logo

Business starts her

learn more
Magileads is an automated sales prospecting & lead generation tool, designed to help sales teams protect & retain leads & transform new prospects into customers. Features include automated emails, reports and analytics, points scoring, prospect targeting, behavioral statistics & CRM integration.

Read more about Magileads

Users also considered
Mailazy logo

Cloud-based transactional email service provider

learn more
Mailazy is a powerful transactional email system built for developers based on SMTP and API to ensure inbox delivery of your emails. It quickly integrates and delivers your emails to customers’ inboxes with global infrastructure and industry expertise you can rely on.

Read more about Mailazy

Users also considered
Critical Impact logo

Email Marketing Solution for Digital Marketers

learn more
Critical Impact helps businesses deploy marketing campaigns in minutes. Select send options all on one page and then prevent mistakes by seeing a confirmation of all send details. Even test the email across over 100 different device screens from phones to tablets to monitors.

Read more about Critical Impact

Users also considered
CrowdPower logo

User engagement and customer data platform for SaaS.

learn more
CrowdPower is a customer engagement platform for onboarding, feature announcements, usage alerts, review requests, and more.

Read more about CrowdPower

Users also considered
Selligent logo

Multi-channel marketing solution fusing insight & engagement

learn more
Selligent is a multi-channel marketing solution for identifying customers, analyzing behavior across channels, and interpreting data with custom reports

Read more about Selligent

Users also considered
Cloud Messaging Stack logo

Online marketing freedom for everyone

learn more
Flexible, resilient, and secure, Upaknee’s Campaign Manager is a low cost and feature-rich online communications platform, boasting one of the best deliverability rates in the industry. Our intuitive and comprehensive platform allows you to create and send professionally designed email campaigns, segment contact lists, test campaigns, track customer engagement, and so much more, all of which is backed by a robust infrastructure and a dedicated support team.

Read more about Cloud Messaging Stack

Users also considered
360NRS logo

360nrs is a customer messaging platform SMS, Email, WhatsApp

learn more
360nrs is an omnichannel messaging platform that helps businesses create, automate, and manage customer communications across SMS, Email, WhatsApp, and Voice—supporting personalized, scalable campaigns and transactional notifications from a single interface.

Read more about 360NRS

Users also considered
Mail Merge Toolkit logo

Personalizes mass mailings from Outlook with merge fields

learn more
Mail Merge Toolkit is a Microsoft Office add-in that helps enhance mail merge functions in Outlook, Word, and Publisher. It enables personalized mass mailings with features such as customizable email subjects, attachments, and SharePoint list data sources. Users can send messages in PDF, DOCX, HTML, Plain Text, and RTF from Word.

Read more about Mail Merge Toolkit

Users also considered
MDirector logo

All-in-One Digital Marketing Platform

learn more
MDirector automates transactional emails, ensuring personalized and timely communication like order confirmations and updates to boost customer satisfaction, engagement, and trust.

Read more about MDirector

Users also considered
Camms GRC logo

Cloud-based GRC platform for risk and assurance.

learn more
Camms (GRC) is a cloud-based governance, risk, and compliance (GRC) solution that helps businesses in healthcare, manufacturing, construction, and other industries manage workplace health, internal and external audits, third-party risks, and more. The platform offers a suite of tailored solutions to address an organization's priorities. This includes integrated risk management, cyber and IT risk management, compliance management, social and governance (ESG) planning, and more.

Read more about Camms GRC

Users also considered
AgentiSend Transactional Email logo
(0)

Cloud email API for AI agents and dev teams

learn more
Cloud-based email API for developers and AI agent workflows, supporting transactional and marketing sends with per-key rate limits.

Read more about AgentiSend Transactional Email

Users also considered
DynaMailer logo

Cloud-based email marketing platform for businesses

learn more
Cloud-based email marketing platform offering campaign creation, automation workflows, list management, and delivery tracking for SMBs.

Read more about DynaMailer

Users also considered
EmailDelivery.com logo

Self-hosted email marketing for enterprise & small business.

learn more
EmailDelivery.com is a self-hosted email marketing platform that comes with a proprietary MTA included for sending over your own IP addresses, and also supports SMTP Relay and APIs such as Amazon SES, Mailgun, and Sparkpost.

White label ready for agencies & resellers

Read more about EmailDelivery.com

Users also considered
Sweego logo

Transactional email and SMS with inbound email routing

learn more
Sweego is a developer-centric platform for transactional messaging. Send emails via API or SMTP, deliver SMS through a unified interface, and process inbound emails as structured JSON via webhooks. Designed for automation, reliability and seamless integration.

Read more about Sweego

Users also considered
Dyspatch logo

Create beautiful, customized email templates without code.

learn more
Dyspatch is an email production platform that helps email teams of all sizes create customized emails templates without needing to code.

Read more about Dyspatch

Users also considered
Perfect Doc Studio logo

Customer Communication Made Simple with AI

learn more
Our cloud-based platform streamlines multichannel customer communications with user-friendly tools for composing and delivering personalized business messages in 100+ languages. Integrated with popular business software like BPM and CRM, Doc Studio automates customer communications across 6 channels

Read more about Perfect Doc Studio

Users also considered
Retarus logo

Your Communications Need More Than Just the Best

learn more
Retarus Transactional Email is a solution for enterprise organizations to send emails directly from their business apps.

Read more about Retarus

Users also considered
MailerLogic logo

MailerLogic – Email API, SMTP & CRM Automation

learn more
MailerLogic is an all-in-one email platform offering Email API, SMTP relay, CRM automation, and deliverability intelligence to help businesses improve communication, engagement, and inbox placement.

Read more about MailerLogic

Users also considered
Postman SMTP logo

Making Email Deliverability for WordPress.

learn more
If you want to be sure that your emails are always delivered successfully, then you need Post SMTP. This powerful SMTP Mailing Plugin is the best solution for maximizing email deliverability, with full compatibility with any SMTP mailing service and API mailing.

Read more about Postman SMTP

Users also considered
KingMailer logo

Cloud-based SMTP for email delivery

learn more
KingSMTP is a cloud-based SMTP service for reliable transactional email delivery. Send system alerts, invoices, account notifications, and other critical emails with full logging and tracking. Designed for apps, websites, and SaaS platforms.

Read more about KingMailer

Users also considered
SocketLabs logo

Marketing & transactional email delivery platform

learn more
SocketLabs is a marketing & transactional email delivery service with features for sending, receiving, & tracking the success of emails and recipient engagement

Read more about SocketLabs

Users also considered
Aritic Pinpoint logo

Marketing automation platform for SME & mid-enterprise

learn more
Aritic platform is a full-stack automation platform that includes marketing automation, communication automation, CRM application, service desk application and business automation stack designed for B2B companies. The Aritic platform has five major products under its wings.

Read more about Aritic Pinpoint

Users also considered
Sendmero logo
(0)

Cloud-based email marketing tool for businesses

learn more
Sendmero is a cloud-based email marketing platform that helps businesses create, send, and track email campaigns.

Read more about Sendmero

Users also considered
ExpressPigeon logo

Email marketing solution for small and medium businesses

learn more
ExpressPigeon offers an interactive email marketing solution to help SMBs create, send and track professional emails with customers

Read more about ExpressPigeon

Users also considered
Intuit Mailchimp Email Marketing logo

Cloud-based email & marketing automation for SMBs

learn more
Cloud-based email and marketing automation platform for SMBs combining email, SMS, social, landing pages, segmentation, and analytics.

Read more about Intuit Mailchimp Email Marketing

Users also considered