Tekai Consulting Inc.

SDKs - Software Development Kits

Java - http://www.oracle.com/technetwork/java/index.html
Android - http://developer.android.com/sdk/index.html
GWT - http://code.google.com/webtoolkit/download.html
GAE - http://code.google.com/appengine/downloads.html

IDEs - Integrated development environments
Netbeans - http://netbeans.org/downloads/
Eclipse - http://www.eclipse.org/downloads/

Build Tools
Ant - http://ant.apache.org/
Maven - http://maven.apache.org/
Hudson - http://hudson-ci.org/

Coding Quality and Testing Tools
Cobetura - http://cobertura.sourceforge.net/
JUnit - http://www.junit.org/
PMD - http://pmd.sourceforge.net/
Sonar - http://www.sonarsource.org/