Paltalk by A.V.M. Software, Inc. is a well-known instant messaging client that gives you the possibility to exchange text messages and join video chats. Unfortunately, Paltalk for Mac is not available as a standalone Mac app, therefore, you might want to use one of the alternative video chat apps for Mac. Here is a list of alternatives to Paltalk for Mac.
Feel free to add any alternative to Paltalk for Mac that you know of.
Suggest Alternatives
Actually, there is a web-based version of Paltalk, so you can still use it on Mac http://express.paltalk.com/