Hazelnut (free font)
Multilingual display typeface with lots of features
This small family can be counted as 4 fonts in 2. Because both weights contain small caps, 12 sets of stylistic alternates, and a decorative swashed form. That’s not counting dozens of ligatures in both multilingual latin and Cyrillic scripts. Plus ordinals, case-sensitive forms, and manual hinting.
Due to it's geometric nature, designers can easily manipulate vectors to change letters' dimensions for logotypes. They may seem modular, but every letter was shaped individually to give handmade imperfections, reminiscent of wood type press. This allows for plenty of details at large sizes.
Instruction manual with all glyphs and features.