A long and badly curated list of software -- at least from some I know, such as Trello or Freedcamp, they follow very different paradigms then Slack. They want to solve another problem.
Slack pretends to be a child of IRC. There are plenty of contemporary chat room alternatives, such as Gitter, Matrix, IRCv3.
Slack pretends to be a child of IRC. There are plenty of contemporary chat room alternatives, such as Gitter, Matrix, IRCv3.