*Alternative to Adobe Lightroom* \u2014 darktable is an open source photography workflow application and raw developer. A virtual lighttable and darkroom for photographers. It manages your digital negatives in a database, lets you view them through a zoomable lighttable and enables you to develop raw images and enhance them.
*Text from [Darktable](https://www.darktable.org/).*
*Alternative to Photoshop* — GIMP: GNU Image Manipulation Program is a free and open-source raster graphics editor used for image retouching and editing, free-form drawing, converting between different image formats, and more specialized tasks.