darktable is an open source photography workflow application and raw developer:
https://www.darktable.org/
0:00 Intro
1:13 About "effectiveness"
3:38 Important processing steps and own module group
11:43 Settings for scene-referred workflow
14:49 Settings for scene-referred workflow part two
15:47 First Edit
27:06 Diffuse and Sharpen Module
35:29 Processing of the rest of the photos
Free/Open Source Photography:
https://pixls.us/