While serif fonts are identified by a small stroke decorating the end of a longer stroke, sans serif fonts lack that extra ornamental stroke.
Lora is a moderate, well balanced serif typeface that traces its roots in calligraphy.
Source Serif Pro is a set of opentype fonts designed to complement the Source Sans Pro family
PT Serif is a transitional serif typeface with humanistic terminals, designed to use with PT sans
Serif fonts are considered to be very readable, and are often used in longer printed texts like books and magazines. Some of the well-known serif fonts include Georgia, Times New Roman, and Palatino.
Over time, serif fonts have evolved in style. They can be classified into four distinct subgroups. In chronological order of appearance, they are: Old Style, Transitional, Didone, and Slab Serif.
Serif fonts are popular for their decorative elements and readability in print. Old Style serif fonts date back to the 1400s and are still frequently used in the newspaper, magazine and book industries.
No matter your project, you can find a versatile free serif font that will work for you. Merriweather is readable at small sizes, Lora is modern yet artistic, and Noto is incredibly comprehensive.