You can access JSTOR via the State Library of Victoria. Join the library online for free.
Open Access items are readily available and free for use.
Open access resources are not always copyright free. Whilst anyone can access an open access resource, what you can actually do with the resource is determined by its copyright status. If a resource is in the public domain (copyright has expired), or has been made available under a Creative Commons licence, it can be re-used under the conditions defined on the licence.