1)   LanTalk XP 2.9
Effective communications for the office and home environment. If you work in a busy environment and need to communicate with others in the office, or maybe even colleagues in another building, make life easy for yourself and install LanTalk.
LAN messenger, Net send, LanTalk, Lan Chat, LanChat, Winpop, Winpopup, Instant messenger, Message, Send,

 2)   WorkCentrics for Microsoft Office 3.3.1311
WorkCentrics is a time tracking and activity management solution that integrates, in real-time, with Microsoft Outlook. Use simple TimeCard interface to manage the links between your time and your Outlook tasks, appointments, notes and messages.
time tracking, Outlook, Exchange Server, project managment, task management, contact management,