Yes, Softros LAN Messenger has a version that works on Macs and you can get it from the application's download page. According to its official website, Softros LAN Messenger works on Mac OS X 7 Lion, Mac OS X 8 Mountain Lion, Mac OS X 9 Mavericks and Mac OS X 10 Yosemite.
Additionally, the tool works on Android-powered devices, so you can also install it on your smartphone or tablet running the mentioned OS.