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 in Korea, Iwata 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.

Also known as Noto Serif CJK.

Genryu is a derivative made by ButTaiwan in 2020.