When comparing Vera Sans Mono vs Hack Font, the Slant community recommends Hack Font for most people. In the question“What are the best programming fonts?” Hack Font is ranked 63rd while Vera Sans Mono is ranked 98th.
Ranked in these QuestionsQuestion Ranking
Pro Clearly distinguishes clashing characters
Characters such as "1" and "l", as well as "0" and "O" are differentiated enough as to not be confusing.
Vera Sans Mono is licensed under GNU making it freely available.
Pro Pretty and easy on the eyes
Pro Good line height
Line height in Hack Font is comfortable to read yet small enough to fit many lines of code on a traditional screen.
Pro Characters are easy to distinguish
All characters read nicely ("0" and "O", "B" and "8", "1" and "l" - all the classics).
Con Some characters appear cramped when adjacent
Con Parentheses and brackets are sometimes hard to identify
At small fonts sizes especially, parentheses and brackets look very similar.
Con Poor visibility of zero character
The zero character looks like a blob at small font sizes.
Con Unclear lowercase "i"
The lowercase "i" sometimes looks like an open parenthesis,