Gomuks is a simple TUI Matrix client written in go, with e2e encryption support.
you can install it from packages or compile it from source ( not recommended.)
Installation
Package
$ doas pkg_add gomuks
Source
$ doas pkg_add go olm
$ ftp https://github.com/tulir/gomuks/archive/refs/tags/v0.2.3.tar.gz
$ tar xzf v0.2.3.tar.gz
$ cd gomuks-0.2.3/
$ export CGO_ENABLED=0
$ go build