官网
maven: maven.apache.org -->All sources (plugins, shared libraries,...) available at https://www.apache.org/dist/maven/ --->即进入下载页面
maven依赖查询:https://mvnrepository.com/
hibernate:官网 hibernate.org --->点击ORM即可看见 Download下载标签
mybatis: 直接网址查询 https://github.com/mybatis/mybatis-3/releases
https://github.com-->在右上角Search Github处搜索 mybatis--->点击中上方的 mybatis/mybatis-3
--->点击页面最下方Essentials标题下的 Download Latest-->进入页面选择需要mybatis
spring: spring.io
直接下载 :http://repo.spring.io/release/org/springframework/spring/
zookeeper:zookeeper.apache.org
--->Download (Getting Started标题下)--->Download标题下的Download-->HTTP标题下选择地址进行下载
linux-rpm相关压缩包下载:http://rpmfind.net/linux/rpm2html/search.php
cent-os:https://www.centos.org/ -->Get CentOS NOW -->DVD ISO(带界面的) Minimal ISO(不带界面的)