https://github.com/intel/intel-one-mono
Introducing Intel One Mono, an expressive monospaced font family that’s built with clarity, legibility, and the needs of developers in mind.
It’s easier to read, and available for free, with an open-source font license.
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Identifying the typographically underserved low-vision developer audience
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for maximum legibility to address developers' fatigue and eyestrain and reduce coding errors. A panel of low-vision and legally blind developers provided feedback at each stage of design.