Scatter implements the Signal protocol over federated email.
Very early version to be presented at my Gophercon 2019 talk about Gio.
See the Gio guide for a setup guide for your platform. Then
$ GO111MODULE=on go run scatter.im/cmd/scatter
for Linux, macOS or Windows. For iOS and Android
$ go run gioui.org/cmd/gio -target <android|ios> scatter.im/cmd/scatter
Dual-licensed under MIT or the UNLICENSE.