Fine Art America/ - work for sale
Adelaide Camera Club - South Australia's oldest camera club, established in 1899.
Eastern Suburbs Camera Club -
Established in 1958, the Eastern Suburbs Camera Club is one of Adelaide’s most respected camera clubs catering for novices through to passionate amateurs. Members have varying levels of achievement in photography including at least eight who are on the SAPF accredited judging list.
South Australian Photographic Federation - founded in 1962 to encourage and promote amateur photography in South Australia. It is the umbrella organisation of affiliated clubs and groups throughout South Australia. It coordinates activities within the groups, the objective being to encourage proficiency in the art and science of photography.
Australian Photographic Society (APS) - national body which conducts exhibitions and competitions, awards photographic honours, holds an annual national convention (APSCON), and provides members with the opportunity to join various groups and/or divisions.
Photographic Society of America (PSA) - worldwide organization for anyone with an interest in photography. Founded in 1934, the Society is for casual shutterbugs, serious amateurs, and professional photographers. The PSA has members in over 80 countries. Individual and photo organization memberships offer a wide variety of services and activities: a monthly journal; online photo galleries; image evaluation; study groups; courses; competitions; an annual conference; opportunities for recognition of photographic achievement and service; and discounts on photography-related products and services. 
PixImerfect - owned by Unmesh Dinda. He covers the complete process of editing an image with multiple layers and a variety of techniques and posts regularly on YouTube where he has over 1,000,000 subscribers. Not for the beginner.
PHLEARN - Aaron Nace has over 1,700,000 subscribers on YouTube and provides excellent training videos for Photoshop, Lightroom and more. For more experienced users.

If there are any missing links, please let me know.
added 27 August 2019
updated 21 July 2023