写字帖 Tool for Chinese characters writing
http://cop.yes-chinese.com/hanban/tzg/ 写字帖 写字贴是为各层次汉语学习者和爱好者提供的学习汉字笔顺和练习书写的实用工具。在学习者认识、书写和理解汉字等方面，写字贴可以提供有益的帮助。
Teaching materials on Confucius College website
http://edu.chinese.cn/zh-CN/onlinelearning/node_22851.htm 儿童歌谣 TCM Pictures 中医图谱 Kung Fu 功夫 轻轻松松学汉语 (Cartoon for Chinese learning) 小学 汉语乐园 拼音入门 识字卡片 朗朗中文 趣味阅读 Key-Chinese 初中 快乐汉语 …
Youtube video on Pinyin
Chinese Tone Changing rules – Google Hangout with Yangyang
《勁抽》- 分組抽籤易 [應用程式] 、互動練習DIY
The tools I suggest are 《勁抽》- 分組抽籤易 [應用程式] 、互動練習DIY, from 香港教育城提供之中文教材製作工具
Chinese flash card exchange
http://www.cram.com/tag/chinese?page=1
Popup Chinese
http://www.popupchinese.com/lessons/absolute-beginners
Interesting youtube video on Chinese Learning by “Off the Great Wall”
https://www.youtube.com/channel/UChtzdESO4SYaxY5sNTdwl3w