FontForge

FontForge is a free, open-source font editor empowering designers and developers to create, modify, and convert fonts across formats like TrueType, OpenType, and PostScript. It offers vector drawing tools for glyph design, spacing adjustments, hinting, Unicode support, and Python-scriptable workflows. Suitable for beginners learning typography basics and pros refining custom fonts, it removes cost barriers to font creation. Though its interface lacks modern polish, its robust feature set makes it ideal for full control over font projects—from tweaking existing typefaces to building new ones from scratch.