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PHP
Server-side HTML embedded scripting language. It provides web developers with a full suite of tools for building dynamic websites.
JSP中文网
提供Resin/Tomcat+MSSQL/MYSQL的JSP虚拟主机，独立TOMCAT，可自由启动和关闭TOMCAT，免费试用，自定义配制文件与日志，提供管理平台。
Linux Online
Comprehensive information and resources about the Linux Operating System.
redhat.com
Red Hat is the world's leading open source technology solutions provider with offerings including Red Hat Enterprise Linux, open source applications, security and systems management, virtualization, Services Oriented Architecture (SOA) solutions.
Linux时代
Linux时代是中国最大的Linux应用与开发人员的专业社区，栏目包含Linux新手，Linux安装，Linux管理员，Linux开发者，Linux桌面，Linux编程，Linux数据库，Linux网络技术，Redhat，Fedora，Ubuntu，SuSE，Unix，debian。