Trillian is a messaging platform for chatting with your acquaintances. It supports programs such as Aim, MSN, Yahoo messenger or IRC and has a wide range of features. Some of them are chat rooms, SMS chat, audio and group communication, privacy options, multiple notifications and so on.
Trillian provider protects your PC from viruses and, at the same time, ensures an array of available options. Start wit Lookup button to search Wikipedia items, then continue with various emoticons, file transfers, messaging history and notifications. Install Trillian on your Windows OS and provide about 15 MB space for it.