Iosevka is an open-source, sans-serif and slab-serif, monospace font
Summary
Iosevka is an open-source monospace font family geared toward coding and terminal use, with variants like Monospace, Term, Fixed, Slab, Aile, and Etoile. The article highlights its ligation capabilities, quasi-proportional spacing, slender 1/2em glyphs by default, and customization options via stylistic sets, language coverage, and downloadable builds.