Origin HeartGold v4.0.3 — English v1.0.0-rc8
This fansite links to the free official GitHub patch. No patch or ROM is hosted here.
Official RC8 release: https://github.com/originheartgold/origin-heart-gold-EN-translation/releases/tag/v1.0.0-rc8

Apply to clean Pokemon HeartGold (USA), CRC32 C180A0E9.
Original hack: Yannanfei TB (雁南飞TB). v4.0.x: Alex, built on hg-engine.
English translation: the Origin HeartGold English translation team.
Chinese patches/docs: u/riap0526. Partial v3 English: u/Shake69, used with permission by the translation team.
Gen 4 Chinese character table: Xzonn (GPL-3.0).
Pokemon: Nintendo / Game Freak / Creatures / The Pokemon Company.

hg-engine and its contributors must be credited. Their complete credits are included alongside this notice as hg-engine-credits.txt.
hg-engine permits use of its code/assets only with no money involved. The release must remain freely accessible, including without donation prompts. This website's launch build has no ads, paywall or donation links. Adding monetization requires a separate rights review.

The translation project's CC0 and Apache licenses do not transfer third-party rights in the game, artwork, prior translations or engine assets.
The original release README and full technical provenance are preserved in the source package.