Darktable 3:RGB or Lab? Which Modules? Help!

Processing a nightscape in Siril

A Q&A with the CHDK Developers

Create lens calibration data for lensfun

From Russia with Love

(NSFW) What Stefan Sees

Profiling a camera with darktable-chart

How to create camera noise profiles for darktable

Simple Exposure Mapping in GIMP

Faces of Open Source

RawTherapee and Pentax Pixel Shift

A Masashi Wakui look with GIMP

Aligning Images with Hugin

Highlight Bloom and Photoillustration Look

A Chiaroscuro Portrait

Display Color Profiling on Linux

HDR Photography with Free Software (LuminanceHDR)

Users Guide to High Bit Depth GIMP 2.9.2, Part 2

Users Guide to High Bit Depth GIMP 2.9.2, Part 1

Freaky Details (Calvin Hollywood)

Color Curves Matching

Basic Color Curves

A Q&A with Photographer Riley Brandt

A Blended Panorama with PhotoFlow

Basic Landscape Exposure Blending with GIMP and G'MIC

An Open Source Portrait (Mairi)

Skin Retouching with Wavelet Decompose

Luminosity Masking in darktable

Digital B&W Conversion (GIMP)

Building PIXLS.US