Calgary offers several resources on these specialty housing needs. Below are links to some of them.

Calgary Housing Registry Network:
This website services multiple needs, ranging from low income to disabled to seniors. The site also provides the means for people who want to offer space / homes to list them.
website: www.lowcostrent.org

Calgary Housing Company
The City of Calgary also operates what is known as the Calgary Housing Company.
See also www.thebridges.ca
See also Manchester Affordable Housing Project