The five most popular corporate open-source programs

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Software

We all know that lots of companies use open-source software. Trying to get a handle on what open-source programs they use can be a little harder. That's why OpenLogic, an open-source software support company's recent report on both their growth and what programs businesses are asking for help with is interesting.

In 2009, OpenLogic actually saw significant growth. About the only other companies that come to mind that saw a serious increase in business last year was Apple and Red Hat.

OK, so what open-source software are these companies interested in enough to ask for outside help with? The top five, in order of importance were:

1. JBoss 2) Tomcat 3) Apache Web Server 4) Hibernate 5) MySQL Database Server