Collaborative software

Collaborative software or groupware is application software designed to help people involved in a common task to achieve their goals.In terms of the level of interaction it allows, collaborative software may be divided into:

• Instant messaging and Communication.
• Audio/Video conferencing.
• Real-time collaborative editing.
• Version control (also known as revision control and source control) platforms.

Collaborative software is a broad concept that overlaps considerably with other computer-supported cooperative work.

https://en.wikipedia.org/wiki/Collaborative_software