NK57 Monospace is a retro 60s programming style typeface. It’s a monospaced designed for high resolution screens with varying proportions, and includes 12 styles (6 weights with matching italics).
Includes 749 glyphs per font, support for Latin Extended, Greek and Cyrillic, as well as some handy math symbols such as “diameter”. Cyrillic support includes also Bulgarian and Macedonian letterforms.
Please note that all 12 styles are free, but only the installable desktop version. A paid license is necessary for use as webfont.