Writing Resources
General Resources
Arabic Resources
Chinese Resources
How to type pinyin with tone marks
How to type Chinese characters
Perapera popup dictionary Chrome extension (also available as Firefox plugin)
French Resources
German Resources
Italian Resources
Japanese Resources
For 101-level classes
Usagi-chan (Cal. State Sacramento website)
200+ level classes
Tangorin.com (English-Japanese, and Japanese-English dictionary with Kanji and examples)
Jdict.org (English-Japanese and Japanese-English dictionary)
Alc.co.jp (real-life examples of Japanese)
Jisho.org (English-Japanese and Japanese-English dictionary with good search features)
Kakijun.jp (character stroke orders)
Kanji.sljfaq.org (character search by handwriting)
Gahoh.marinebat.com (Kanji and Katakana stroke order .mov files)