lwn.net has a number of articles covering photography with Open Source software.<p>Doing a generic search via DuckDuckGo [ <a href="https:&#x2F;&#x2F;duckduckgo.com&#x2F;?q=site%3Alwn.net+photography" rel="nofollow">https:&#x2F;&#x2F;duckduckgo.com&#x2F;?q=site%3Alwn.net+photography</a> ] shows a number of articles which may be of interest.