zen integrates every upstream change a few hours after release, it is built as a set of patch on top of firefox just to make that easy

they released a search engine where the model reads the first link before trying to answer your request

llama.cpp works on windows too (or any os for that matter), though linux will vive you better performances

Revolt tries to be a discord clone/replacement and suffer from some of the same issues. Matrix happens to have a lot of feature in common, but is focused on privacy and security at its core.