Challenges for Theoretical Computer Science: DRAFT
http://www2.research.att.com/~dsj/nsflist.html
A compendium of NP optimization problems
http://www.nada.kth.se/~viggo/problemlist/compendium.html
Coursera of Computer Science（4大名校开放课汇集）
https://www.coursera.org/category/cs
课程/开放课程/精品课程_中国开放教育资源联合体
http://www.core.org.cn/