PowerPop 0.6 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The application belongs to Business Tools. This free software for Mac OS X was originally produced by Matthew Welborn. We recommend checking the downloaded files with any free antivirus.
From the developer:
PowerPop is a powerful local area network messenger for Mac. With this tool, you can store all incoming and outgoing messages so you can easily access any message sent or received. It helps you with customizable quick replies to send common messages with the click of a button. In addition, the app provides handy auto-resend and auto-reply functions for easy management of your messages.
You may want to check out more Mac applications, such as Onepoint Project, Open ERP or Colabolo, which might be similar to PowerPop.