Lotus Notes - combines email, calendar and scheduling capabilities

Lotus Domino - world-class collaboration capabilities that can be deployed as a core email and enterprise scheduling infrastructure, as a business application platform, or both

Lotus Quickr - team collaboration software that can help you access and interact with the people, information and project materials you need to get your work done

Lotus Sametime - presence awareness, instant messaging and Web conferencing to enable quick connections and meetings.