Pipedrive - Sales pipeline software that gets you organized. Helps you focus on the right deals, so easy to use that salespeople just love it. Great for small teams.
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Zoho CRM - Omnichannel CRM for Businesses of all sizes
Skype - Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.
Freshsales CRM - A full-fledged CRM for high-velocity sales teams.
WhatsApp - WhatsApp Messenger: More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere.