Mega Gallery of Original Ranma Scans - Scans arranged by character.
Pictures from the Ranma ½ Finale - Thumbnailed manga scans.
Ranma 1/2 - Summaries of all the manga books.
Ranma 1/2 Manga Translations - Text-only manga translations.
Ranma 1/2 Project - Scanned and translated copies of volumes 17-38. Also bonus color pages and art as well as links.
Tinman's Colorization Project - Adds color to manga pages digitally. Image galleries sorted by character, FAQ and how to help.