Sample IDEA projects for different frameworks/technologies are listed below.
Download the latest Java App Engine SDK from http://code.google.com/appengine/downloads.html. Download and open the project. IDEA will show error popup about missing path variable, click "Fix it" and specify path to App Engine SDK for APP_ENGINE_SDK_HOME variable. Go to Setting | Application Servers, click 'Add' button and select "Google App Engine Dev Server", specify path to App Engine SDK.
Project contains: run configurations for JBoss and artifact examples
Download CDI (JSR-299) samples
Download JSF 2.0 samples
Project contains: run configurations for Tomcat and artifact examples
Download Spring Security 3.0 samples
Download GWT Sdk from http://code.google.com/webtoolkit/download.html. Download and open the project. IDEA will show error popup about missing GWT_SDK_HOME path variable, click "Fix it" and specify path to GWT Sdk.
To build and run the Flex projects you need to download and install Flex SDK (http://www.adobe.com/cfusion/entitlement/index.cfm?e=flex3sdk).
<Flex SDK>/bin/copylocale en_US es_ES
To develop cfml projects you need to download ColdFusion Developer Server from http://www.adobe.com/products/coldfusion/editions/#s3. Download and extract project to your coldfusion root (probably C:\ColdFusion8\wwwroot for windows). Open and compile project. Open coldfusion admin (http://localhost:8500/CFIDE/administrator/enter.cfm by default). Go to Server Settings/Java and JVM/ColdFusion Class Path and add a path to IDEA output directory (ex: C:/ColdFusion8/wwwroot/Sample/out/production/Sample). Restart ColdFusion server. Open http://localhost:8500/Sample/src/HelloWorld.cfml url in browser to view the page.
Download Tapestry 5.1 sample project. All needed libraries included. Also Tomcat 5.5 run configuration provided, so you have to install Tomcat 5.5 if you want to run it. This sample project is based on JumpStart project, see http://jumpstart.doublenegative.com.au/installation.html for additional info.