When comparing Fira Mono vs Code New Roman, the Slant community recommends Code New Roman for most people. In the question“What are the best programming fonts?” Code New Roman is ranked 49th while Fira Mono is ranked 51st. The most important reason people chose Code New Roman is:
Code New Roman is published under SIL Open Font License making it completely free.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Looks great and is easy on eyes
Almost looks like Source Code pro and works great with Intelli J where Source Code Pro renders all junk on one of the primary IDE.
Very good for people who read code through out the day.
Pro Extremely readable
You can look at the code for hours and hours. The height between lines and the spacing is perfect.
Pro Offers better performance in some Emacs builds
This font is used by some Emacs users on Mac OS X in order to get better performance.
Pro Completely free
Code New Roman is published under SIL Open Font License making it completely free.
Pro Looks clean and beautiful
Code New Roman seems like a mix of Monaco and Consolas, but looks very well on retina monitors.
Pro Comfortable to read
It's comfortable for the user to read Code New Roman for long periods. OpenType features include hanging or lining numerals (slashed, dotted, and normal zeros) as well as alternative shapes for a number of lowercase letters.
Pro Available for Windows and OS X
You can download and install it on Windows vista or higher (for cleartype technology support) and Mac OSX.
Pro Different typefaces
Code New Roman offers Regular, Bold , Italic, and Bold-Italic typefaces.
Pro Looks great on Ubuntu 14.04
Code New Roman has been tested on cheap Dell Inspiron with Ubuntu 14.04 installed and looks great on gtk-based apps such as Sublime Text, Geany, and TextAdept. It's also great on Qt-based apps such as KDevelop and Spyder. For electron/nwjs-based applications, it looks great on Visual Studio Code and Brackets, but has yet been tested on atom. However, it looks horrible on Swing-based apps such as Netbeans or Jetbrains' IDE.
Pro Multilingual
Code New Roman is available in English.
Pro Highly anti-aliased
This means that jaggies are reduced, making the line smoother.
Cons
Con Large line height
Compared to other options, Fira has a high line height, which reduces the number of lines you can see on screen at one time.
Con No updates
No updates or original publisher. Mostly edited and uploaded by many designers because of its OFL license.
Con Looks bad in Windows
Too much anti-aliased in Windows.