Like an old engineering mantra, "I can give you 2 out of 3"...Jokes aside, the matrix.org website does have a nice page listing the different clients (that they at least know about), and its nicely broken up into sections for mobile, desktop, terminal, and even nintendo (!). There are a number of native clients and some (e.g. nheko, quaternion) i have unscientifically found to be very fast...as far as beautiful, well, i think it would be best to leave that to you as your opinion. Here's the client list page that i referenced above:
https://matrix.org/clients/
I hope that helps!