Yeah, but one is free and the other one might make you a billionaire.
If you think about it, about 30% of the biggest businesses out there are based on this exact business idea. IRC - Slack, XMPP & co - the many proprietary messengers out there, etc.
If you think about it, about 30% of the biggest businesses out there are based on this exact business idea. IRC - Slack, XMPP & co - the many proprietary messengers out there, etc.