WhatsApp Business - Communicate more efficiently with your customers
Zoiper - Cross-platform VoIP softphone dialer for SIP and IAX systems
WATI - No-code chatbot builder for WhatsApp Business
MicroSIP - MicroSIP is a free portable SIP softphone for Windows based on PJSIP stack.
ChatBot - Easy to use chatbot platform for business
Sipnetic - Sipnetic is a free VoIP softphone based on the SIP protocol.