Founded in 2009 by Jan Koum and Brian Acton and acquired by Meta for $19 billion in 2014, WhatsApp has more than 3 billion monthly active users with default end-to-end encryption and WhatsApp Business and API services.
Provider
3 results shown
Ryver is a U.S.-based team collaboration platform that combines chat, topics, and task management in one app, replacing a Slack and Trello combination. Starter starts at $69/month with unlimited messaging, task boards, and voice/video calls.
Skype is a VoIP pioneer founded in Luxembourg in 2003 and acquired by Microsoft for USD 8.5 billion in 2011, offering free audio/video calls and low-cost international calling, now being replaced by Microsoft Teams.