Showing 36 of 125 projects
A highly customizable and extensible Playwright test reporter with interactive tree-grid reports, coverage analysis, and rich integrations.
Group Office groupware and CRM
A Rust library for building, signing with DKIM, and sending email messages via SMTP.
A web app that generates mailto links with prefilled email information for easy integration into websites.
A lightweight SMTP client and email queue written in Go, available as both a Go package and a standalone HTTP API service.
A Rust library for parsing MIME email messages with real-world data compatibility.
A Go library that inlines CSS styles into HTML emails for better email client compatibility.
An Elixir library for sending email via SMTP with a clean API and powerful features.
A strongly typed .NET library for SendGrid's v3 API, including webhook parsing and IP warmup features.
Ruby gem to check whether an email address or domain belongs to a government (.gov, .mil, and worldwide gov domains)
A menubar/taskbar Gmail app for Windows and macOS built with Electron.
A .NET library for generating transactional emails using a fluent interface.
A self-hosted transactional email service that renders MJML templates and sends via SMTP.
Spam filtering made easy for you
Send encrypted PGP messages via a simple web link without signup, using public key servers.
A configurable Go email validator that verifies addresses via regex, DNS, SMTP, and more to ensure validity and existence.
Generate custom font images for emails using Node.js, eliminating the need for graphic design software.
Generate custom font images for emails using SVG, PNG, and Base64 formats without design software.
A Rust library for email authentication and reporting, supporting DKIM, ARC, SPF, DMARC, ARF, and SMTP TLS Reporting.
A Vapor 4 service for sending emails and managing templates via the Mailgun API.
A simple email sending library for the Crystal programming language with SMTP support and concurrent sending capabilities.
A C# SMTP mail client library providing high-performance mail merge with templates, inline images, attachments, and fault-tolerant sending.
A flexible notification dispatch library for Elixir applications, supporting multiple services like Slack, email, and custom strategies.
Converts Tailwind CSS classes to inline styles for email-ready HTML templates.
A lightweight, scalable SMTP client for sending email in MicroPython on microcontrollers.
A .NET library that simplifies sending and receiving emails with MailKit using a fluent, one-line-of-code API.
A collection of Go utilities for validation, string formatting, date/time operations, and Brazilian-specific functions.
A TypeScript SMTP client library for Deno to send emails with TLS support and configurable encoding.
A Go library for normalizing email addresses to a canonical form to prevent duplicate signups.
A SendGrid-powered mail backend for Vapor, enabling email sending via SendGrid's V3 API.
An Alfred workflow to quickly select recipients from your Mac's Contacts and send emails via your email client.
A JupyterLab extension to email notebooks directly from the browser with multiple formatting and attachment options.
A Rust crate providing a complete, misuse-resistant codec for parsing and serializing IMAP4rev1 protocol messages.
An Elixir wrapper for the Mandrill email API, enabling transactional email sending and user management.
A command-line tool to check, read, and manage Yopmail disposable email inboxes.
A HomeMatic CCU addon for sending emails directly from the CCU WebUI programming interface or via CUxD devices.
Related Tags
Found a gem we're missing?
Open-Awesome is built by the community, for the community. Submit a project, suggest an awesome list, or help improve the catalog on GitHub.