There are (at least) a couple other languages where some local genius saw writing and developed a syllabic writing system: Vai (West Africa) and a language of S

There are (at least) a couple other languages where some local genius saw writing and developed a syllabic writing system: Vai (West Africa) and a language of Southeast Asia whose name I can't remember (the invention was fairly recent). Maybe also Yi (spoken in China, but written in an entirely different script).