HOSI Wien

It is a member-based organisation holding an annual general meeting and board elections.

It maintains the Names Project Wien,[1] a HIV/AIDS memorial quilt initiative started in 1992.

It runs a community centre in the Naschmarkt called Glugg, which also serves as the organisation's office, archives and storage facilities.

[3] HOSI Wien organised the first gay rights half-day festival and unofficial march in Vienna in 1982, attended by approximately 100 people.

In 1989, HOSI Wien organised a gay marriage parade with unofficial weddings.