Hacker News Reader

There are a lot of different clients, in various stage of development: https://matrix.org/clients/

Element is kind of the official full feature, basic client implementation but there are lighter clients with different flavors out there.

Syphon and Schildi are not mentioned/linked in the above marketing page, the purpose of my sharing was to raise awareness to their existence.

There's also

https://fluffychat.im/

Big fan of SchildiChat on Android! It's Element but with patches to give it extra optional features like chat bubbles and an (experimental) mode which hides 'complex' features nontechnical users might find confusing.

Didn't know about Syphon! The design looks good. Hope it exits alpha soon!