图形数据库，用于查找犯罪或者啥的很好用：反欺诈
win安装neo4j使用查询https://www.cnblogs.com/rubinorth/p/5853204.html
linux下安装neo4j使用查询https://blog.csdn.net/u013946356/article/details/81736232
倒数https://blog.csdn.net/graphway/article/details/80797134
Elasticsearch搜索引擎 kibana可视化工具 logstah 管道工具,还有分词器ik
https://www.cnblogs.com/dreamroute/p/8484457.html
https://blog.csdn.net/makang110/article/details/80596017
https://blog.csdn.net/qq_28799479/article/details/82425751
https://www.cnblogs.com/Jxwz/p/4147425.html
kettle 开源etl工具
https://www.cnblogs.com/wingsless/p/3187436.html
https://blog.csdn.net/qq_36743482/article/details/79347699
https://www.2cto.com/kf/201801/713626.html
https://blog.csdn.net/u011391839/article/details/73550833
https://blog.csdn.net/stone0823/article/details/78531872
项目中用到过记录下，以后不知道还有机会用吗，工具吗，多多益善