Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.

Cotap - Cotap is a simple, secure mobile messaging app for fast, easy workplace communication.

Freshdesk - Freshdesk is a cloud-based customer support software that lets you support customers through traditional channels like phone and email, social channels like Facebook and Twitter, and your own branded community

Salsa - Anonymous messages in your workplace

Zoho Desk - Industry's first context-aware Helpdesk Software

Beekeeper - The #1 All-in-One communication & productivity platform used for reaching and connecting every individual in an organization.