| Feature |
WebCT |
Blackboard |
Prometheus |
| External e-mail (accessible
through regular e-mail client) |
 |

Get
help |
 |
| Chat transcripts/logs |

Get
help |

Get
help |
 |
| Multiple chat rooms
in a single course |

Get
help |
|
 |
| Restricted access to
group chat rooms |
 |

Get
help |
 |
| Private messaging in
chat |

Get
help |
 |
|
| Voice chat |
|
|
 |
| Ring in chat (to notify
another user you want to chat with them) |
|
 |
|
| Alert in chat (receive
notification when someone enters the chat room) |

Get
help |
 |
|
| Whiteboard facility |

Get
help |

Get
help |
 |
| Access whiteboard through
chat only |
|
 |
 |
| Save whiteboard images
into course content |

Get
help |

Get
help |
|
| Print whiteboard images |
|
|
|
| Export whiteboard images |

Get
help |
|
|
| Chat program type |
Java |
Java |
Shockwave |