>It's especially true with a chat system where the most important feature is that everybody on the team can get access.
That's a complete other story... All that big open source movement for decades and in 2017 we are still depending on proprietary systems to provide a chat(!) for a company.
That's a complete other story... All that big open source movement for decades and in 2017 we are still depending on proprietary systems to provide a chat(!) for a company.