Source Han Serif | 思源宋体 | 思源宋體 | 思源宋體 香港 | 源ノ明朝 | 본명조

Source Han Sans | 思源黑体 | 思源黑體 | 思源黑體 香港 | 源ノ角ゴシック | 본고딕

Noto CJK fonts

Source Han Mono | 思源等宽 | 思源等寬 | 思源等寬 香港 | 源ノ等幅 | 본모노

Sarasa Gothic / 更纱黑体 / 更紗黑體 / 更紗ゴシック / 사라사 고딕

Anki plugin that reorders language cards based on the words you know

Joe Speigle's Korean/English dictionary database

Korean pop-up dictionary extension for Chrome and Firefox.

Korean Dictionaries for Yomichan

g2pK: g2p module for Korean

Korean grapheme-to-phone conversion in Python

Collection of Korean dictionaries in the Yomichan format, including verb conjugations and hanja.

cc-kedict: Creative Commons Korean-English Dictionary