CSS Sprite Generator : This tool allows you to automate the process of generating CSS sprites. Simply give it a ZIP file containing 2 or more images (GIF, PNG or JPG) and it...
Email-Blueprints : Email Blueprints is a collection of HTML email templates that can serve as a solid foundation and starting point for the design of emails.
HTML EMAIL BOILERPLATE : This website and its sample code creates a template of sorts, absent of design or layout, that will help you avoid some of the major rendering problem...
Kickstrap : Twitter's Bootstrap with themes, apps, and other enhancements
Shards : A free and modern UI toolkit for web makers based on the popular Bootstrap 4 framework.
