Seems a bit superfluous to suggest commercial fonts when there are so many good free ones, but I am very fond of FontFont Attribute Mono (https://www.fontshop.c

Seems a bit superfluous to suggest commercial fonts when there are so many good free ones, but I am very fond of FontFont Attribute Mono (https://www.fontshop.com/families/ff-attribute-mono https://www.fontshop.com/families/ff-attribute-mono) by Viktor Nübel. It's cheerful, friendly and characterful without being too eccentric, and very easy to read.