They are made with HTML, CSS and a sprinkle of JS. I've used Bootstrap just for the grid and a few components. They don't rely heavily on it. Enjoy them on Inovatik.com. - Source: dev.to / over 2 years ago

My craft is making HTML templates and recently I've launched my main project Inovatik.com as a Free resource for devs and makers on Product Hunt. It won 3rd product of the day . Quite successful for a project built with just HTML and CSS. Source: over 2 years ago

Beefree.io It's essentially an email sending platform but it has some pretty cool design templates. Might worth taking a look. ​. Source: 11 months ago

If you are designing emails all you need is BeePro (https://beefree.io/bee-pro/). Will do everything you feed and exports super easy. And PDF proofing, which is fantastic for higher ups understanding things. Source: over 1 year ago

Beefree.io its what we use and is free. So easy to use and lots of templates. Source: over 1 year ago

I see no upside to manually coding emails unless you absolutely have to. Check out https://beefree.io/. Source: over 1 year ago

A few jobs ago they were hand coding all email templates it was honestly such an awful workflow. I suggested they used this https://beefree.io/ website, which reduced design time considerably. It also produces html code that you can tinker with after. Source: about 2 years ago