JBoss and Tomcat server

http://oreilly.com/java/archive/tomcat-tips.html

http://docs.jboss.org/jbossas/docs/Clustering_Guide/beta422/html/index.html
http://www.mastertheboss.com/application-server/jboss-clustering-a-web-application

Java Online

http://www.seas.gwu.edu/~simhaweb/java/

XML API
http://stackoverflow.com/questions/1706493/java-net-malformedurlexception-no-protocol
http://read.pudn.com/downloads144/sourcecode/java/javascript/628647/JavaReadXML/ReplaceChild.java__.htm

Open Source Software in Java
http://java-source.net/

http://marakana.com/bookshelf/java_fundamentals_tutorial/index.html

Java Notes:
http://www.leepoint.net/JavaBasics/index.html

Java Memory Model
http://www.ibm.com/developerworks/library/j-jtp02244/index.html
http://www.cs.umd.edu/~pugh/java/memoryModel/
http://www.cl.cam.ac.uk/~pes20/weakmemory/index.html

http://javarevisited.blogspot.in/

http://howtodoinjava.com/

http://www.learnerstv.com/

http://refcardz.dzone.com/

http://www.javatpoint.com/

Agile way...

Agile tools:

ClearWorks

LibrePlan

TargetProcess

http://www.agile-tools.net/

http://www.cyberciti.biz/tips/open-source-project-management-software.html

http://www.methodsandtools.com/tools/tools.php?agilefant

http://www.agilefant.org/wiki/display/AEF/Installation+guide

Nice article on agile s/w development:

http://targetprocess.com/rightthing.html

http://www.versionone.com/pdf/AgileToolEvaluator.pdf

http://www.soberit.hut.fi/sprg/projects/atman/TowardsAgileProductandPortfolioManagement.pdf

http://www.soberit.hut.fi/sprg/projects/atman/publications/other/A%20short%20article%20presenting%20the%20usage%20and%20concepts%20of%20Agilefant%202.pdf
http://olex.openlogic.com/wazi/2009/comparing-open-source-agile-project-management-tools/
https://www.linux.com/news/software/applications/67269-comparing-open-source-agile-project-management-tools

iceScrum:
https://www.kagilum.com/blog/the-stories-according-to-role-icescrum/
https://www.kagilum.com/blog/the-roles-in-icescrum/
http://www.mountaingoatsoftware.com/topics/scrum

All about Project Management:
https://www.comp.glam.ac.uk/pages/staff/dwfarthi/projman.htm


Maturity Assessment Model for Scrum Teams

http://www.versionone.com/Agile101/Agile-Scrum-Velocity/

http://www.jbrains.ca/permalink/a-better-path-to-the-definition-of-done

http://guide.agilealliance.org/guide/heartbeatretro.html