Here are some links to interesting software
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.
RawTherapee is a cross-platform raw image processing program, released under the GNU General Public License Version 3. It was originally written by Gábor Horváth of Budapest, but has since been taken over by a team of open-source developers from around the world. Rather than being a raster graphics editor such as Photoshop or GIMP, it is specifically aimed at raw photo post-production. And it does it very well – at a minimum, RawTherapee is one of the most powerful raw processing programs available.
Paint.NET is free image and photo editing software for PCs that run Windows. It features an intuitive and innovative user interface with support for layers, unlimited undo, special effects, and a wide variety of useful and powerful tools. An active and growing online community provides friendly help, tutorials, and plugins.
Image Composite Editor (ICE) is an advanced panoramic image stitcher created by the Microsoft Research Computational Photography Group. Given a set of overlapping photographs of a scene shot from a single camera location, the app creates a high-resolution panorama that seamlessly combines the original images.
GIMP is an acronym for GNU Image Manipulation Program. It is a freely distributed program for such tasks as photo retouching, image composition and image authoring.
199 How-To videos on using various versions of GIMP.
Audacity® is free, open source, cross-platform audio software for multi-track recording and editing. Audacity is available for Windows®, Mac®, GNU/Linux® and other operating systems. Check our feature list, wiki and forum.
DaVinci Resolve 12.5 combines professional non-linear video editing with the world’s most advanced color corrector so now you can edit, color correct, finish and deliver all from one system! DaVinci Resolve is completely scalable and resolution independent so it can be used on set, in a small studio or integrated into the largest Hollywood production pipeline!