You could write a new client, but at some time you will run into an issue where they start adding features faster and heavier and more required than you can kee

You could write a new client, but at some time you will run into an issue where they start adding features faster and heavier and more required than you can keep up with by optimizing the software to run on your potato. Case in point, people have managed to run a bit of the modern internet on Amiga. Enough to be useful. But all of it? Forget about it.