1.https://zeroturnaround.com/rebellabs/developer-productivity-report-2015-java-performance-survey-results
-https://visualvm.java.net/
2.http://zeroturnaround.com/rebellabs/java-tools-and-technologies-landscape-for-2014/
-http://www.sonarqube.org/
-http://findbugs.sourceforge.net/
-https://jenkins.io/
-https://www.oracle.com/database/index.html
-https://www.mongodb.com/
-https://git-scm.com/
-http://www.sonatype.com/products-sonatype