Bitrix24 - Bitrix24 is a free (for small businesses) social enterprise platform. It is a united work space which handles the many aspects of daily operations and tasks. Create your own social intranet in minutes!
Nexmo - Nexmo is a simple two way SMS API with global reach and wholesale rates
VOGSY - Professional service automation tool built on Google G Suite
MessageBird - Reach 7 billion phones in seconds via SMS, Chat & Voice. Try it for free and improve your communication.
Office Timesheets - Professional Services Automation
Plivo - Plivo simplifies your customer engagement.