web.py
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A light but extremely capable Python web framework.
Spring Framework
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If you are doing Java development, you should really be using Spring.
Grails
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The best way to develop web applications for the JVM.
Developer Blog
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This is a link to my technology blog. It's mostly about programming and oftware development, but there are some OS and general computing posts as well.
Burt Beckwith's Blog
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Great site for Groovy & Grails news, check out the "This Week in Grails" posts.