RawTherapee
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Screenshot of RawTherapee pre-5.0 editing a raw photo of a misty scene.
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| Original author(s) | Gábor Horváth |
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| Developer(s) | RawTherapee Development Team |
| Stable release |
5.0-r1 / February 2, 2017
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| Preview release |
daily
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| Repository | github |
| Development status | active |
| Written in | C++ gtkmm |
| Operating system | Linux, FreeBSD, Windows, OS X |
| Available in | Multilingual |
| Type | post-production tool for photography |
| License | proprietary (up to version 2.4.1) GPLv3 (as of version 3.0 alpha 1) |
| Website | www |
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, Hungary, before being re-licensed as free and open-source software in January 2010. It is written in C++, using a GTK+ front-end and a patched version of dcraw for reading raw files. It is notable for the advanced control it gives the user over the demosaicing and developing process. The name used to stand for "The Experimental Raw Photo Editor"; however that acronym has been dropped, and RawTherapee is now a full name in itself.
RawTherapee comprises a subset of image editing operations specifically aimed at non-destructive raw photo post-production and is primarily focused on improving a photographer's workflow by facilitating the handling of large numbers of images.
RawTherapee involves the concept of non-destructive editing, similar to that of some other raw conversion software. Adjustments made by the user are immediately reflected in the preview image, though they are not physically applied to the opened image but the parameters are saved to a separate sidecar file. These adjustments are then applied during the export process.
All the internal processing is done in a high precision 32-bit floating point engine.
RawTherapee can work with raw files from digital cameras, as well as common image formats like JPEG, PNG and TIFF. It also supports high dynamic range, 16/24/32-bit raw DNG images.
RawTherapee uses a patched version of dcraw code to read and parse raw formats, with additional tweaks and constraints to parameters such as white levels and the raw crop area based on in-house measurements. Thus, RawTherapee supports all the formats supported by dcraw.
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