list of resources i've used for learning mandarin chinese:

- pinyin practice (tone identification quiz)
- zhuyin anki deck
- duchinese (short readers for various levels with built in vocab/flashcard system)
- grace mandarin chinese (youtube channel)
- cecilia chen chinese (youtube channel)
- tawiawnese mandarin with miss lin (youtube channel)
- the read chinese series (book ii)
- introduction to chinese cursive script (handwriting)


haven't used, but look promising:

- chinese grammar wiki
- online chinese courses from the nsysu chinese language center
- gavirtual shared chinese 1 course