HubSpot - Grow Better With HubSpot: Software that's powerful, not overpowering. Seamlessly connect your data, teams, and customers on one CRM platform that grows with your business.
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
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.
Marketo - Marketo's powerful marketing automation software helps marketers master the art & science of digital marketing to engage customers and prospects.
Signal - Fast, simple & secure messaging. Privacy that fits in your pocket.