Freeware Descriptions:
PopNote is a lightweight yet robust peer to peer Instant Messaging communication client that operates over the Internet or LAN´s. PopNote can send an instant message that will pop up on the destination´s Desktop on arrival; and or allow more aggressive real time chatting. PopNote´s unique Echo feature confirms the recipient received your message.
Here is complete features (taken from authors site):
What’s New in version 3.4:
- Added several more existing hotkeys to the HotKey popup list that were also formerly omitted: i.e. Ctrl+Enter (an alternative to Ctrl+S or the Send button), and Ctrl+T (used to toggle thru various options)
- Away messages activation delays (in steps of 3 min up to 15 minutes).
- Fixed an obscure bug that would allow PopNote to Echo with a null local IP address.

File Size / OS:
- 259 KB / Windows 9x - ME - 2000 - NT - XP - 2003 - Vista
Download PopNote 3.4: