The network effect is real. You can have the best, most awesomely-designed social media platform ever and it will be useless if you are the only person on it.
You can try to convince all your contacts to switch away from whatever app is causing the most evil today, but you also have to convince all of your contacts’ contacts and all of theirs as well.
You mean a desktop application? If so you can use the web version, or even better, use Ferdium. It lets you connect to various messaging services and integrates them like a native desktop app.