Indeed, self-hosted messenger the only way you bring your teams together to exchange work ideas and discuss more work.
Making your teams rely on personal chat applications at your workplace is no fun when you seriously look for productive outcomes from them you must provide self-hosting chat applications. Instead, give them the best self hosted chat software like Troop Messenger, Flock, Rocket Chat, Mattermost, etc., to stay informed and monitor all the work routines and updates.
These days, business entities, corporates, startups, SMEs, large enterprises, etc., are bombarded with many collaboration tool options. And, most of the tools are available in the variants of SaaS and Self-Hosting.