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Fira Code In this paper. So today sorted out some of the more popular and free some fonts, each need.

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▎ 1. Hack

Hack is an open source font based on Bitstream Vera and DejaVu projects. 0O and 1lI are legible and easy to read.

Hack

▎ 2. DejaVu Sans Mono

DejaVu is also an excellent free licensed font from Bitstream Vera. You can tell 0O from 1lI. The internal points are a little small compared to hacks, but overall the font feels comfortable.

DejaVu Sans Mono

▎ 3. Monaco

It was the default font before OS X, and it had a peculiar, apple-like style.

Monaco

▎ 4. Source Code Pro

Source Code Pro is designed by Adobe. Overall, this font looks sharper than the others.

Source Code Pro

▎ 5. Menlo

Menlo was previously the default font in Xcode, a derivative of DejaVu Sans Mono. In macOS High Sierra, the default font has been changed to San Francisco Mono

Menlo

▎ 6. Consolas

Consolas is the default font for Microsoft Visual Studio that comes with Windows.

Consolas

▎ 7. Space Mono

An excellent monospaced font designed by Colophon Foundry.

Space Mono

▎ 8. Anonymous Pro

This font has the feel of a classical typewriter.

Anonymous Pro

▎ 9. IBM 3270

The IBM 3270, based on the fonts IBM used in the IBM 3270 terminal built in 1971, has a retro programming flavor.

IBM 3270

▎ 10. The Droid Sans Mono

This is a font designed for Android, and it’s beautiful, but 0 and O are indistinguishable.

Droid Sans Mono

Original link:
10 Best Programming Fonts






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