Messaging

WhatsApp

WhatsApp Messenger is a cross-platform mobile messaging app which allows you to exchange messages without having to pay for SMS.

HipChat

Group and private chat, file sharing, and integrations.

Slack

All your communication in one place, integrating with the tools and services you use every day.

Google Hangouts

Bring your conversations to life with photos, emoji, and even group video calls for free.

Skype

Skype is for doing things together, whenever you’re apart. Skype’s text, voice and video make it simple to share experiences with the people that matter to you, wherever they are.