Skype hacks. What is the reason?

I have seen a couple tools, CenSky, Crasher, Florision-Tools, James Reborn, MultiTool, Pops SkypeTool, and Skype API. What would be the reason for hacking Skype? It's just a chat service...

Wait wa? I didn't even know that there's hacks for Skype. What's a purpose of those?

skype are not secure this is not new btw you can like

Stai, stai? Nici nu tiam c exist hack-uri pentru Skype. Care este scopul acestor?

Why the fuck are you using Skype lmaoo jesus i've not used that since i was about 13 the good old days, MSN, oml MSN days haha