| Name | Description | Type | Package | Framework |
| Base64 | Base 64 encoding and decoding. | Class | org.apache.oodt.commons.util | Apache OODT |
| CacheMap | A cache map is a map with a built-in cache. | Class | org.apache.oodt.commons.util | Apache OODT |
| DateConvert | The DateConvert class is intended to provide date/time conversion and parse routines. | Class | org.apache.oodt.commons.util | Apache OODT |
| Documentable | A documentable object. | Interface | org.apache.oodt.commons.util | Apache OODT |
| DOMParser | An XML Document Object Model parser. | Class | org.apache.oodt.commons.util | Apache OODT |
| EnterpriseEntityResolver | XML entity resolver for enterprise applications. | Class | org.apache.oodt.commons.util | Apache OODT |
| FileLogger | The FileLogger class is intended to be used with the Log class in order to setup a log file as a LogListener. | Class | org.apache.oodt.commons.util | Apache OODT |
| JDBC_DB | This class is a wrapper for JDBC. | Class | org.apache.oodt.commons.util | Apache OODT |
| LDAP | This class provides LDAP convenience services. | Class | org.apache.oodt.commons.util | Apache OODT |
| LogEventMultiplexer | Multiplexer for logging events. | Class | org.apache.oodt.commons.util | Apache OODT |
| LogInit | The LogInit class is intended to be used to initialize the logging capability implemented by the Log class. | Class | org.apache.oodt.commons.util | Apache OODT |
| LogInit .EnterpriseLogFilter | Log filter that uses strings as category objects. | Class | org.apache.oodt.commons.util | Apache OODT |
| MemoryLogger | This logger maintains log messages in memory. | Class | org.apache.oodt.commons.util | Apache OODT |
| PropertyMgr | Property manager manages updates to properties. | Class | org.apache.oodt.commons.util | Apache OODT |
| SAXParser | An XML Simple API for XML (SAX) parser. | Class | org.apache.oodt.commons.util | Apache OODT |
| ScreenLogger | The ScreenLogger class is intended to be used with the Log class in order to setup the System. | Class | org.apache.oodt.commons.util | Apache OODT |
| Utility | Miscellaneous utilities. | Class | org.apache.oodt.commons.util | Apache OODT |
| XML | This class provides several XML convenience services and encapsulates the underlying XML implementation, allowing it to vary without impacting developers. | Class | org.apache.oodt.commons.util | Apache OODT |
| XMLRPC | This class provides several XML-RPC utilities. | Class | org.apache.oodt.commons.util | Apache OODT |
| XMLRPCFault | This exception is thrown when a fault is returned from an XML-RPC call. | Class | org.apache.oodt.commons.util | Apache OODT |