[Development language]
http://www.php.net/
http://www.oracle.com/technetwork/java/index.html
https://nodejs.org/zh-cn/
https://www.w3 .org/
https://www.w3.org/TR/html5/
http://www.lua.org/
【Mobile】
https://developer.android.com/index.html
https://developer.apple.com/develop/
https://www.w3.org/TR/html5/
【Learning Course】
http://www.w3school.com.cn/
http://www.runoob.com/
【Database】
https://www.oracle.com/index.html
https://www.mysql.com/
http://www.sqlite.org/index.html
http://www.microsoft.com/en -us/sql-server/sql-server-downloads
http://memcached.org/
https://www.mongodb.com/
https://redis.io/
[Containers and resources]
http://mvnrepository.com/
http://apache.org/
http://nginx.org/
http://tengine.taobao.org/
http://openresty.org/cn/
[Data persistence]
http://hibernate.org/
http://ibatis.apache.org/
http://www.mybatis.org/
http://projects.spring.io/spring-data-jpa/
【Video|Streaming】
http://red5.org/
http://ffmpeg.org/
https://www.adobe.com/
https://webrtc.org/
http://www.mplayerhq.hu/ design7/news.html
https://github.com/j0sh/crtmpserver
https://www.jwplayer.com/
【Workplace】
https://www.csdn.net/
http://www.51cto.com/
【Other】
http://www.spread.org/
https://github.com/
http://eclipse.org/
https://www.oschina.net/
https://www.cnblogs.com/