| DataManager | Data storage abstraction |
| DescriptorHandler | Class performing a task |
| FileManager | File management |
| NsprSystemInformation | Class gathering system information NSPR Api |
| Resource | Abstract the notion of Resource |
| ScriptSystemInformation | Class gathering system information with scripts |
| SystemInformation | Class to abstract the way we gather the system information |
| TaskManager | Class managing a Task |
| TimeManager | Class managing the time |
1.4.4