1.JSON在线格式化 http://www.json.cn/
2.cron表达式在线生成 https://www.pppet.net/
3.maven 库 https://mvnrepository.com/
4.EditPlus注册码在线生成 https://www.jb51.net/tools/editplus/
5.Navicat 15.x for MySQL最新版注册码 https://www.zhe94.com/608.html
来源:oschina
链接:https://my.oschina.net/u/3795908/blog/4321534