| Barrier | Gate controlling the transit of threads for certain operations. |
| Compiler | Main interface to the reflexive compiler. |
| ConfParser | Interface to configuration files. |
| Event | Signaler of relevant processing conditions. |
| Grant | Grant for exclusive access to shared resources. |
| ICompiler | Interaface to incremental evaluator. |
| JSONError | Error generated after error conditions on JSON operations. |
| JoinError | Error generated when trying to wait for a unwaitable thread. |
| LogArea | Collection of log channels. |
| LogChannel | Abstract class receiving log requests from log areas. |
| LogChannelFiles | Log channel sending logs to a set of (possibly) rotating local files. |
| LogChannelStream | Logs on an open stream. |
| LogChannelSyslog | Logs on the local system logger facility. |
| MXMLDocument | Encapsulates a complete XML document. |
| MXMLError | Error raised by the MXML module in case of problems. |
| MXMLNode | Minimal entity of the XML document. |
| Module | Handle to loaded modules. |
| NetError | Error generated by network related system failures. |
| Process | Execute and control child processes. |
| ProcessEnum | Provides a list of currently executed process. |
| ProcessError | Error generated by process related system failures. |
| Regex | Regular expression binding encapsulation. |
| RegexError | Error generated by regular expression compilation and execution errors. |
| Socket | TCP/IP networking base class. |
| SyncCounter | Implements a synchronization counter (semaphore). |
| SyncQueue | Signaler of relevant processing conditions. |
| TCPServer | Encapsulates a TCP network service provider. |
| TCPSocket | Provides full TCP connectivity. |
| Thread | Parallel agent main class. |
| ThreadError | Error generated by thread related problems. |
| Threading | Access to static method that can be used to access threading functionalities. |
| UDPSocket | UDP (datagram) manager. |
| Waitable | Base abstract class for synchronization Structures. |
| ZLib | ZLib encapsulation interface. |
| ZLibError | Error generated by errors in the ZLib module. |
| _BaseCompiler | Abstract base class for the Compiler and ICompiler classes. |