Repositories list

• postmark-php

  Public
  The official PHP library for Postmark.

  mailsdkemail+ 2

  mailsdkemailpostmarkpostmark-integrations

  PHP

  •

  MIT License

  •6565 forks•177177 stars•22 issues•44 pull requests•Updated Aug 11, 2026Aug 11, 2026

• postmark-python

  Public
  The official Postmark Python SDK

  Python

  •

  MIT License

  •44 forks•1515 stars•00 issues•22 pull requests•Updated Aug 10, 2026Aug 10, 2026

• postmark-mcp

  Public
  Official Postmark MCP server by ActiveCampaign — 24 tools to send, template, search, and diagnose transactional email from Claude, Cursor & other AI assistants.

  aiemailmcp+ 5

  aiemailmcpactivecampaignemail-senderpostmarkclaudemodel-context-protocol

  JavaScript

  •

  MIT License

  •1818 forks•5454 stars•2323 issues•1010 pull requests•Updated Aug 9, 2026Aug 9, 2026

• activecampaign-plugin

  Public
  ActiveCampaign plugin for Claude — marketing automation, CRM, and email marketing in Claude Code and Claude Co-Work.

  MIT License

  •11 fork•00 stars•00 issues•22 pull requests•Updated Aug 7, 2026Aug 7, 2026

• module-integration

  Public
  PHP

  •

  GNU General Public License v3.0

  •1818 forks•1111 stars•55 issues•00 pull requests•Updated Aug 6, 2026Aug 6, 2026

• style-merge

  Public
  Simple CSS inlining, for email.

  C#

  •

  MIT License

  •1010 forks•7373 stars•33 issues•11 pull request•Updated Jul 17, 2026Jul 17, 2026

• postmark-cli

  Public
  The official CLI tool for Postmark

  cliciemail+ 2

  cliciemailtemplatespostmark

  TypeScript

  •

  MIT License

  •1515 forks•8888 stars•1010 issues•77 pull requests•Updated Jul 17, 2026Jul 17, 2026

• postmark.js

  Public
  Official Node.js library for the Postmark API

  mailsdkemail+ 6

  mailsdkemailtemplatesinboundpostmarksendingpostmark-apipostmark-integrations

  TypeScript

  •

  MIT License

  •4040 forks•360360 stars•1313 issues•55 pull requests•Updated Jul 10, 2026Jul 10, 2026

• postmark-dotnet

  Public
  A .NET library for the Postmark API

  sdkdotnetemail+ 3

  sdkdotnetemailemail-senderpostmarkdotnet-library

  C#

  •

  Other

  •4949 forks•5454 stars•1717 issues•88 pull requests•Updated Jul 7, 2026Jul 7, 2026

• ac-pulse

  Public
  Python

  •00 forks•00 stars•00 issues•00 pull requests•Updated May 18, 2026May 18, 2026

• postmark-java

  Public
  Official Java client library for the Postmark HTTP API

  javasdkemail+ 5

  javasdkemailemail-senderpostmarkjava-librarysendingemail-sending

  Java

  •

  MIT License

  •3131 forks•4343 stars•66 issues•55 pull requests•Updated Mar 2, 2026Mar 2, 2026

• postmark-skills

  Public
  Collection of Postmark AI skills

  aiemailspostmark+ 2

  aiemailspostmarkemail-deliverabilityai-skills

  MIT License

  •55 forks•4444 stars•22 issues•33 pull requests•Updated Feb 28, 2026Feb 28, 2026

• SupportApp

  Public
  The Support App is developed by Root3, specialized in managing Apple devices. Root3 offers consultancy and support for organizations to get the most out of thei…

  Swift

  •

  MIT License

  •7171 forks•00 stars•00 issues•00 pull requests•Updated Dec 3, 2025Dec 3, 2025

• smtp-field-manual

  Public
  A collection of raw STMP server responses from major email service providers and spam filter services.

  JavaScript

  •

  MIT License

  •2929 forks•5959 stars•33 issues•55 pull requests•Updated Mar 8, 2025Mar 8, 2025

• postmark-wordpress

  Public
  The Official Postmark Wordpress Plugin

  wordpressmailsdk+ 3

  wordpressmailsdkemailpostmarkpostmark-integrations

  PHP

  •

  GNU General Public License v2.0

  •1919 forks•2424 stars•2121 issues•44 pull requests•Updated Nov 18, 2024Nov 18, 2024

• postmark-rails

  Public
  Official integration library for using Rails and ActionMailer with the Postmark HTTP API

  Ruby

  •

  MIT License

  •5151 forks•395395 stars•22 issues•11 pull request•Updated Sep 20, 2024Sep 20, 2024

• mailhandler

  Public
  Simple lightweight mail library which allows you to send and retrieve emails, and get more details about email sending and delivery

  qapostmarkqatools+ 1

  qapostmarkqatoolsemail-retrieval

  Ruby

  •

  Other

  •66 forks•6060 stars•00 issues•11 pull request•Updated Aug 2, 2024Aug 2, 2024

• postmark-gem

  Public
  Official Ruby client library for the Postmark HTTP API

  Ruby

  •

  MIT License

  •7777 forks•229229 stars•44 issues•33 pull requests•Updated Jul 31, 2024Jul 31, 2024

• fakebounce

  Public
  bounce generating tool

  qaqatools

  qaqatools

  Ruby

  •22 forks•66 stars•00 issues•00 pull requests•Updated Jul 2, 2024Jul 2, 2024

• fakemail

  Public
  qaqatools

  qaqatools

  Ruby

  •22 forks•66 stars•00 issues•00 pull requests•Updated Jul 1, 2024Jul 1, 2024

• mustachio

  Public
  Lightweight, powerful, flavorful, template engine.

  C#

  •

  MIT License

  •1818 forks•218218 stars•1313 issues•22 pull requests•Updated Apr 10, 2024Apr 10, 2024

• queueing_rabbit

  Public
  RabbitMQ-powered background jobs for Ruby

  Ruby

  •

  MIT License

  •33 forks•22 stars•00 issues•00 pull requests•Updated Mar 8, 2024Mar 8, 2024

• premailer-rails

  Public
  CSS styled emails without the hassle.

  Ruby

  •

  MIT License

  •257257 forks•22 stars•00 issues•00 pull requests•Updated Nov 13, 2023Nov 13, 2023

• stylelint-config-postmark

  Public
  Postmark-specific config for Stylelint

  JavaScript

  •22 forks•22 stars•00 issues•00 pull requests•Updated Oct 19, 2023Oct 19, 2023

• mailer_demo

  Public
  Ruby

  •00 forks•22 stars•00 issues•00 pull requests•Updated Oct 6, 2023Oct 6, 2023

• qa-sinhook

  Public
  Simple webhook request testing tool

  qaqatoolsqa-service

  qaqatoolsqa-service

  Ruby

  •

  MIT License

  •44 forks•22 stars•00 issues•00 pull requests•Updated Aug 3, 2023Aug 3, 2023

• pm-fullstack-test-project-zip

  Public
  11 fork•22 stars•00 issues•11 pull request•Updated Jul 2, 2023Jul 2, 2023

• state_machine

  Public
  Adds support for creating state machines for attributes on any Ruby class

  Ruby

  •

  MIT License

  •518518 forks•22 stars•00 issues•00 pull requests•Updated May 24, 2023May 24, 2023

• postmark-templates

  Public
  Rock-solid transactional email templates for applications.

  HTML

  •

  MIT License

  •1.1k1.1k forks•3.2k3.2k stars•1010 issues•33 pull requests•Updated Apr 2, 2023Apr 2, 2023

• inbound-demo-rails

  Public
  Demo showing how to use Postmark’s inbound email processing in a Rails app.

  railswebhookspostmark

  railswebhookspostmark

  Ruby

  •

  MIT License

  •11 fork•55 stars•00 issues•00 pull requests•Updated Mar 10, 2023Mar 10, 2023