MacPopUp 2.5.0.9 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. This program was originally developed by Kanex group Inc. The most popular version of the tool 2.5.
MacPopUp.exe is the common file name to indicate the MacPopUp installer. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. The program lies within Communication Tools, more precisely Instant messaging.
From the developer:
MacPopUp is a program that allows Windows users to exchange instant messages with other users on any local area network (LAN). With MacPopUp you can send and receive messages from different operating systems such as Mac OS,Windows 95/98, Windows NT/2000, Windows for Workgroups, Linux and other UNIX OSes. MacPopUp is compatible with the Microsoft WinPopup application and the similar clients in other operating systems.
You may want to check out more software, such as MessengerAmp, CallButler or Animated Messenger Emoticons, which might be similar to MacPopUp.