Designed by Alessio Laiso, Aleo is a free serif font with a contemporary typeface. It has been designed as the slab serif companion to the Lato font. Aleo has a semi-rounded design and a sleek structure. It looks awesome while being high on readability. The Aleo font includes six styles—three font weights (light, regular and bold) with corresponding italics.
Corki is an awesome free font shared by Typedepot, a type Bulgarian design studio. This serif font comes loaded with four style, including lowercase. You can download the font for free at Typedepot.