Source Han Serif (思源宋體, 思源宋体, 概要, 본명조) is an open source Pan-CJK typeface, developed collaboratively by Adobe and Google, with participation from partner foundries Sandoll Communications in Korea, Iwata Corporation in Japan, and Changzhou SinoType in China. The kana characters were designed by Ryoko Nishizuka. The Latin, Greek, and Cyrillic glyphs were sourced from Source Serif, designed by Frank Grießhammer. Project management by Ken Lunde.

Genryu is a derivative made by ButTaiwan in 2020.