APRS Messenger 3.33 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 free software is a product of Cross Country Wireless (2009) Ltd.
The following versions: 3.6, 3.3 and 2.9 are the most frequently downloaded ones by the program users. Commonly, this program's installer has the following filename: CCW APRS Messenger.exe. The latest version of the software can be downloaded for PCs running Windows XP/Vista/7/8/10/11, 32-bit.
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 software lies within Communication Tools, more precisely Instant messaging.
From the developer:
The APRS Messenger program provides a simple way to send and receive APRS messages from an APRS TNC Digi Tracker on VHF and by APRS over PSK, QPSK and GMSK modes on HF.
You may want to check out more software, such as Y!Hook Messenger, Gap Messenger or APR MAP, which might be similar to APRS Messenger.