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Photoflare – Simple but powerful Cross Platform Image Editor
(photoflare.io)
If it's free and open source and it's also software, it can be discussed here. Subcommunity of Technology.
This community's icon was made by Aaron Schneider, under the CC-BY-NC-SA 4.0 license.
How about presenting the actual photo editing features instead of telling potential new users about the QT framework and C++ or whatever it uses? The website is peak "programmer attempting marketing".