One problem with choosing a collaboration platform slash messaging app for a development team is that, once you got one running, it is very difficult to test an

One problem with choosing a collaboration platform slash messaging app for a development team is that, once you got one running, it is very difficult to test and switch to another. I would, for one, love to see a good comparison of all the contenders in one place - Slack, Linen, Mattermost, Zulip, Twist, Element, Discord etc...