The members of the Performing Arts Heritage Network of Museums Australia contribute actively to the development of AusStage. Working in collaboration with collections, AusStage researchers are leading the digitisation of Australia's performing arts heritage.

Retrospective data entry has drawn on many collections, including the Prompt Collection at the National Library of Australia, the Wolanski collection at UNSW Library, the SBW Archives and Performing Arts Collection, the QPAC Museum Collection, and the University of Adelaide Library Special Collections and University Archive.

Many other collections, organisations and projects are using AusStage to record information about performing arts items and events in their collections, including: