几个官网

Index of /dist/tomcat  http://archive.apache.org/dist/tomcat/

Java 软件 | Oracle 中国  https://www.oracle.com/cn/java/

MySQL　　https://www.mysql.com/downloads/

Document Search  https://datatracker.ietf.org/doc/search/?name=2616&sort=&rfcs=on&activedrafts=on

Download jQuery EasyUI 1.3.5 - jQuery EasyUI  http://www.jeasyui.com/download/v135.php

World Wide Web Consortium (W3C)  https://www.w3.org/

PHP: Downloads  https://www.php.net/downloads.php

RPM Search  http://rpm.pbone.net/index.php3?stat=26&dist=79&size=8575544&name=gcc-4.4.7-11.el6.i686.rpm

RPM resource gcc  http://www.rpmfind.net/linux/rpm2html/search.php?query=gcc&submit=Search+...&system=&arch=

CentOS Repositories - pkgs.org  https://centos.pkgs.org/

LNMP一键安装包 - CentOS/RadHat/Debian/Ubuntu下自动编译安装Nginx,PHP,MySQL,PHPMyAdmin  https://lnmp.org/