This is probably preaching to the choir, but hosting your own FOSS chat is nowadays a very viable way to avoid being dependent on a centralised service like Slack. Your options include: * Riot.im / Matrix.org (decentralised global network; e2e encryption; open protocol) * Rocket.Chat (Meteor-based; focus on UX and feature) * MatterMost.com (clone of Slack UI; open core license) * Zulip.org (all about threads!) * ...o…
Is there reason to believe self hosting will have better uptime?
slack also has pretty dubious quality standards. e.g. their desktop app and their atrocious replacement for screenhero.