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h2. [!twitter_icon.png!|http://twitter.com/apachetapestry]
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h2. [News] [!Feed-icon.gif!|https://cwiki.apache.org/confluence/createrssfeed.action?types=blogpost&spaces=TAPESTRY&title=Apache+Tapestry+News+RSS+Feed&labelString%3D&sort=created&maxResults=10&timeSpan=12&confirm=Create&showContent=true&showDiff=false]
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h2. What is Apache Tapestry?
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h3. !Chat.png! Pure Java and polyglot

Written in Java, suitable for Java applications, you can use Groovy or Scala instead too\!
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h3. !injection.png! Convention over configuration

Say goodbye to endless XML configuration files and welcome dependency injection and meta-programming through annotations
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h3. !Refresh.png! Highly productive

Live class reloading means that the time between seeing an error and providing the fix is seconds, not minutes.
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h3. !bug.png! Advanced Exception reporting

It gives you all the tools you need to fix your problem: not just a  stack trace, but every bit of information you need to know about what  was doing, why it was doing it, what went wrong, and how to fix it.
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h3. Fast

Without Java reflection use is built to cleanly support large numbers of  concurrent threads. Includes GZip content compression, JavaScript  aggregation, and far future expires headers.
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h3. Testable

Built for testability provides nice testing functionalities enchanting TDD techniques. [See Tapestry covertura report|http://tapestry.apache.org/tapestry5.1/tapestry-core/cobertura/index.html]

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h3. Scalable

Scales up big on a single server, and offers great options  into a cluster. Ready for REST, it is suitable for the most staless or stateful applications
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h3.!plugin.png! Adaptable

Architecture is open and extensible. There's a clean way to add your own logic, or substitute some logic with your own. Provides  integration   with [Hibernate|http://hibernate.org/] and [Spring|http://www.springsource.org/]. Third-party integrations with other tools, such as [Quartz|http://www.quartz-scheduler.org/].
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More on [Tapestry philosophy|TAPESTRY:Principles]

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