| AboutDialog | About Dialog |
| AppConfig | Stores the running parameters of the application |
| AppInterface | Defines application functions to be used by the skins |
| AppSharingVideoSource | Provides Application Sharing video frames |
| AudioDeviceItem | |
| CamVideoSource | Provides captured video frames |
| Channel | Represents a channel, and manages information about it |
| ChannelList | Stores the list of channels |
| ChannelUser | Specialization of User for CONFERENCE mode |
| ChatMessage | |
| DebugWindow | A Debug message window |
| FTLostPacketParameter | |
| FTProgressParameter | |
| FTReceptionBeginParameter | |
| FTSendBeginParameter | |
| FTSendMediaIdParameter | |
| IPTVClientApp | Main application class |
| MediaVideoSource | Provides video frames from media (collaborations) |
| Mode | Represents an IRM mode |
| ModeList | Used to store lists of modes for both channels and users |
| Playlist | Stores and manages the WMV movie playlist |
| PlaylistItem | Represents an item in the WMV movie playlist |
| PollInfo | Holds Poll information |
| PollItem | Represents one item (option) of the Poll |
| PrivateChatWindowBase | Base class for the Private Chat pop-up windows |
| PrivateChatWindowList | Manages a list of the Private Chat windows |
| Profile | Contains an application profile. These are managed by SettingsManager |
| SettingsManager | Manages application profiles |
| Skin | Base class for all Skins |
| SkinnableSingleChoiceDlg | Skin selection dialog |
| Texture | Represents an OpenGL texture object |
| TimeoutObject | |
| TimeoutRegister | Used for managing timeouts |
| Transmission | Represents a media transmission |
| TransmissionDisplayControl | Used to control display of Transmission video frames |
| TransmissionManager | Keeps track of Transmissions |
| User | Stores user information |
| UserList | Handles the user list |
| VideoDeviceItem | |
| VideoDisplayControl | Displays video frames on an OpenGL component |
| VideoSink | Represents an object that receives video frames |
| VideoSource | Base class for anything that provides video frames |
| WBMessage |
1.5.8