MacPopUp can be used on the networks where only Mac OS-compatible computers are installed. MacPopUp features include the ability to send messages to an individual user or to a whole workgroup, and the ability to find all users available on a network. And all received messages will be discarded. MSN Messenger Service is the Internet messaging service that provides you and your friends instant contact with the greatest number of Internet users and works with your favorite communications tools. This service requires that you have a Hotmail account in order to use it.
Note is also a secure system.
Solve these problems with Pagoo Call Catcher. When you are connected to the Internet, Pagoo Call Catcher picks up and records callers' voice messages, just like an answering machine. As soon as a message is recorded, you are notified immediately and can listen to it on your PC, either with the Pagoo Player or through a private Web page all without getting offline. You'll never miss calls while browsing the Internet again. PeopleLink is a basic online chat service with send and receive messages only.