Open source alternative to Intercom

"We switched from Front to Chatwoot 3 months ago, self hosted on our infrastructure.There are some rough edges, and integrating Facebook and Instagram channels are a bit of work but it's globally working very well. And we save quite a buck every month in our scenario managing 5 brands and 4 channels per brand. Main issues are: mobile app can be improved and browser notifications are inconsistent. Wishlist: a desktop app."