- MDBG Chinese-English dictionary - Home of CC-CEDICT.
- Yoyo Chinese Video-based Pinyin Chart - Complete with video explanations and audio demonstrations for English-speakers.
- Chinese-Tools.com - Everything about modern and traditional China, travel, study, news, business, Chinese learning material, tools and resources, forum and language exchange club.
- mandarintools.com - On-line Chinese Tools.
- Zhongwen.com - Chinese Characters and Culture.
- HSK Flashcards - One-stop resource for HSK vocabulary lists and flashcards for people studying Mandarin Chinese.
- ZDT (Zhongwen Development Tool) - An easy to use, open-source Mandarin Chinese flashcard application that can help you learn Chinese.
- Anki - spaced repetition system (SRS).
- Xiaoma Cidian - Chinese/English dictionary (simplified characters only) based on CEDICT, with many additions from various sources.
- Gradint - a program for self-study of foreign languages.
- Mandarin Segments - learning Mandarin, bit by juicy bit.
- Sinosplice - Try to understand China. Learn Chinese.
- Just Learn Chinese - Learn Chinese blog with high quality free Grammar Lessons, Character Lessons, Chinese Radical Show, Short Stories and more.