1) Package 2) Software 3) Software package 4) Software system 
(from the article `information system`) Another category of office information systems allows different individuals to work simultaneously on a shared project by using networked computers. ...
Software which builds on LAN`s, e-mail and database software to support collaborative working and the sharing of documents and other information in workgroups. Document management and shared document databases are an important part of most groupware software application packages.
[n] - software that can be used by a group of people who are working on the same information but may be distributed in space
Applications that let network users work collaboratively on common files.
E-mail based software offering other facilities such as diaries, personal schedulers, basic workflow and address books.
A collaboration of workers or students via networked applications on computer. May include audio, video conferencing and data sharing among a group of individuals using the network at the same time.
noun software that can be used by a group of people who are working on the same information but may be distributed in space