text: how do i make my own messenger tell me any software? i have serach so many times in google but i cant find that how to make your own messenger. you just need to know the connection protocols for the service you want to connect to.   you might want to check out http://developer.aim.com/ for tools to help create your own aim client.  here is a sight that describes the yahoo! messenger protocol: http://www.venkydude.com/articles/yahoo.htm  just type in "messenger protocols" into a search engine for better results.