Google Open Source - All of Googles open source projects under a single umbrella
Email Template Generator - Email templates for your important relationships
Code NASA - 253 NASA open source software projects
Templates by Email Monster - Hundreds of free, responsive email templates. Pick and edit.
Log Owl - Open-source, privacy-focused error tracking and analytics
Semplates.io - Create, edit and manage all your email templates on AWS SES with ease.