| | Trillian Basic | Trillian Pro |
| Panels |
 |
 |
| Tabbed Chat Windows |
|
|
| Emoticons |
|
|
| Emotisounds |
|
|
| Timestamping |
|
|
| Transparent Windows |
|
|
| Smart Tabs |
|
|
| Explorer Integration (Drag Files To Windows) |
|
|
| Animated Emoticons |
 |
|
| Out Of Focus Windows Can Go Transparent or B&W |
|
|
| Automatically clean up unused windows |
|
|
| Show Last Line Marker |
|
|
| Auto History (Show Last Lines of Previous Chat) |
|
|
|
