Polishop is responsive eCommerce HTML template including 2 slideshows (Nivo Slider, Flexslider), Cloud Zoom plugin integrated for zooming product images on the product page, categories accordion, Facebook and Twitter Feeds Box, 3 Header Design style, Mega Menu support, cross browser compatible available for free download during December (until December 31st, 2016) on Themeforest.
Aside is premium fullscreen and responsive HTML portfolio theme with light and dark background versions available, fullwidth background video support, parallax enabled and retina ready (WordPress version also available on Themeforest!).
Based on Bootstrap, build with HTML5 and CSS3 features, clean and modern design available for free till end of December 2015.
Streamline is a modern and professional, HTML5 / CSS3 one page template, mobile and retina display ready and suitable fors small businesses, creatives, digital agencies, artists, illustrators, photographers and other who want to showcase their work.
Cloe is premium responsive email template available for free only this month on Themeforest, MailChimp Ready Template & Campaign Monitor Ready HTML template compatible with all major email clients.