Integram - Integrate Telegram into your workflow. Now open source.
Slack - A messaging app for teams who see through the Earth!
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
Skype - Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.
Begin - Create and work with tasks inside Slack