There are 3 repositories under transactional-emails topic.
A Grunt workflow for designing and testing responsive HTML email templates with SCSS.
The Official Twilio SendGrid Led, Community Driven Node.js API Library
The Official Twilio SendGrid Python API Library
Transactional email server with a lovely web interface
The Official Twilio SendGrid PHP API Library
Open-source customer engagement. Automate transactional and marketing messages across email, SMS, mobile push, WhatsApp, Slack, and more 📨
The Official Twilio SendGrid C#, .NetStandard, .NetCore API Library
The Official Twilio SendGrid Golang API Library
Fully functional Open Source email marketing manager for creating, sending, integrating, and analysing email campaigns and newsletters.
The Official Twilio SendGrid Led, Community Driven Ruby API Library
The Official Twilio SendGrid Led, Community Driven Java API Library
A free and open-source block-based email template builder.
Configure Magento 2 to send email using Google App, Gmail, Amazon Simple Email Service (SES), Microsoft Office365 and many other SMTP (Simple Mail Transfer Protocol) servers
[API v3] Mailjet PHP Wrapper
[API v3] Official Mailjet API v3 NodeJS wrapper
[API v3] Mailjet official Ruby GEM
The official MailerSend Node.js SDK
An analytics dashboard and reporting tool for Mailgun and Amazon SES transactional emails.
[API v3] Python Mailjet wrapper
A Maizzle starter based on Postmark's transactional email templates.
Laravel package for Mailjet API V3 and Laravel Mailjet Mail Transport
[API v3] Official Mailjet API v3 Go wrapper
[API v3] Official Mailjet API v3 .NET wrapper
[API v3] Mailjet Java API Wrapper
The official MailerSend Laravel Driver
The official MailerSend PHP SDK
The official MailerSend Python SDK
A plugin for ActionMailer to send emails via MailPace.com
Symfony bundle for Mailjet API V3
🦄 inlines CSS stylesheets into your HTML source, automated via GitHub
Deploy your own free, open-source email service with a single click. Connect seamlessly with Gmail or Amazon SES for secure and customizable email management. Take control of your communication with ease.
The Official Pepipost PHP API library