When comparing Meslo LG vs Liberation Mono, the Slant community recommends Meslo LG for most people. In the question“What are the best programming fonts?” Meslo LG is ranked 15th while Liberation Mono is ranked 16th. The most important reason people chose Meslo LG is:
The line spacing in Meslo LG makes it very powerful and gives it an amazing look. The font is especially clear for reading code in Eclipse or Intelli J.
Question Ranking
Pros
Pro Great line spacing and very easy on user's eyes
The line spacing in Meslo LG makes it very powerful and gives it an amazing look. The font is especially clear for reading code in Eclipse or Intelli J.
Pro Patched Powerline version exists
A patched version for Vim Powerline is easily downloadable and comes with additional glyphs.
Pro Unambiguous characters
The style of characters avoid ambiguity by making every character distinct. For example, a lower case "L" and upper case "i" are unique such that that it cannot be confused, even if you're unfamiliar with the font.
Pro Very readable
Liberation Mono works well with hinting on high-resolution displays.
Pro Compact line height
Just like Courier New (the metrics of which this font emulates), its line height isn't too big, which results in more lines on the screen, compared to Consolas and several other more popular fonts.
Pro Has Bold typeface
Cons
Con Letter 'm' written in size 10 (bold face) becomes just a black square
Con Difference between "0" and "O" isn't clear
It can be difficult to tell the difference between the number "0" and the letter "O". However, the Fedora Project has a slightly altered version of Liberation Mono that fixes this with a dotted zero.