10 Fonts for Code
typecast.com
typecast.com
After mentioning the importance of distinguishing O/0, l/1, etc., the subsequent samples don't all include these characters. Some of the samples don't even include any numerals!
The author points out how programmers prefer monospace fonts for their clarity and legibility, then, ironically, shows some of the samples in a washed-out low contrast color scheme, quite contrary to the typical high-contrast colors the typical coder uses, again, for the sake of clarity and legibility.
Would it have been too much to ask to put consistent samples, in a consistently-readable color scheme, on the screen simultaneously? Why does a website ostensibly devoted to design itself have such awful design?
However, I'm going to give Fira another chance.
I'm going to try out fira as well - looked the best of this bunch.
It's the greatest fixed-length font yet created for writing code! Period!