Usefull links to learn Chinese:
1. Chinese-tools.com there’s an Engllish-Chinese dictironary there, a tool to draw and recognize characters, a tool to change Simplified to Traditional characters and other useful things.
2. Chinese characters Google Input here you can simply input the characters from your english keybord using pinyin.
3. Yellow Bridge a useful dictionary and stroke order
4. Arch Chinese stroke orders and some other interesting parametres, like anthonyms.