At Excira, we build our applications by leveraging the following open source packages, frameworks and tools. We offer consulting services and support for: 

AJAX and JavaScript
ExtJS, TinyMCE, FireBug, Object Oriented JavaScript, JSON

Google
Google Charts, Google Maps, Analytics, Adwords, Adsense, SiteSearch 

Java  
JSP, Servlets, JDBC, JavaBeans, Java 1.5, IBATUS, Hibernate, Jena, JFreeChart. Lucene, Java Mail

Spring Framework
Spring Configuration and IOC, Sring MVC, Spring JCBC Template

XML/XSLT
JDOM

Apache Tools
ANT, POI, FOP

Image Processing
Image Magick

Databases
MySql, DB2 

Development Tools
Eclipse, CVS, Subversion

App/Web Servers
Apache, Tomcat, WebSphere