| Name | Description | Type | Package | Framework |
| ArgHandler | Base class for command line argument handlers. | Class | com.google.gwt.util.tools | Google WebToolkit (GWT) |
| ArgHandlerDir | Argument handler for arguments that are directories. | Class | com.google.gwt.util.tools | Google WebToolkit (GWT) |
| ArgHandlerExtra | Argument handler that handles arguments that do not have preceeding flags. | Class | com.google.gwt.util.tools | Google WebToolkit (GWT) |
| ArgHandlerFile | Argument handler for arguments that are directories. | Class | com.google.gwt.util.tools | Google WebToolkit (GWT) |
| ArgHandlerFlag | Argument handler for boolean flags that have no parameters. | Class | com.google.gwt.util.tools | Google WebToolkit (GWT) |
| ArgHandlerInt | Argument handler for flags that take an integer as their parameter. | Class | com.google.gwt.util.tools | Google WebToolkit (GWT) |
| ArgHandlerNoopDeprecatedFlag | Argument handler for deprecated no-op flags. | Class | com.google.gwt.util.tools | Google WebToolkit (GWT) |
| ArgHandlerOutDir | Arugment handler for processing the output directory flag. | Class | com.google.gwt.util.tools | Google WebToolkit (GWT) |
| ArgHandlerString | Argument handler for processing flags that take a string as their parameter. | Class | com.google.gwt.util.tools | Google WebToolkit (GWT) |
| Md5Utils | Utility class to generate MD5 hashes using per-thread MD5 MessageDigest instance. | Class | com.google.gwt.util.tools.shared | Google WebToolkit (GWT) |
| StringUtils | String utility methods. | Class | com.google.gwt.util.tools.shared | Google WebToolkit (GWT) |
| ToolBase | A base class for a GWT related command-line application. | Class | com.google.gwt.util.tools | Google WebToolkit (GWT) |
| Utility | A smattering of useful functions. | Class | com.google.gwt.util.tools | Google WebToolkit (GWT) |