Slack is an application that helps teams communicate and work together by combining messaging, file sharing, and app integrations in one place. It makes it easy for teams to stay connected and work efficiently, whether they are in the office or working remotely.

Teamwork is an Irish, privately owned, developer-led web-based company headquartered in Cork, Ireland. Teamwork creates task management and team collaboration software, and its three main products relate to project-management, customer support, and real-time internal communications.