After a long beta cycle we are proud to announce RawTherapee v2.4!/ После длительного бета-цикла мы рады объявить RawTherapee v2.4!
Raw Therapee is a free RAW converter and digital photo processing software.
Программа для обработки фотографий, в точм числе в RAW-форматах. Фактически представляет собой бесплатный аналог Photoshop Lightroom.

Main features :
* Selectable high performance demosaicing algorithms (EAHD and HPHD and VNG-4).
Compare them on this comparison page.
* Using DCRaw 8.82/1.398 for decoding RAW images
* Image post processing in 16 bit / channel mode
o Exposure control in RGB space
+ Auto exposure with adjustable clipping point / Exposure compensation / Shadow and highight compression / Contrast adjustment, curve editor
o White balance adjustment in RGB space
+ With in-camera, automatic and spot white balance options / Temperature/Green tint fine tuning
o Highlight Recovery
o Shadows/Highlights control in RGB space
o Basic Luminance curve tool to modify the luminance channel in CIELab color space
+ Brightness / Contrast adjustment, curve editor
o USM sharpening applied on the CIELab luminance channel
+ Classical USM parameters (Radius, Amount, Threshold) / Option to avoid noise amplification / Sharpening halo control
o Optional RL Deconvolution based sharpening for even better sharpening results
o Color shift control in CIELab color space
+ Allows color shift by shifting the CIELab "a" and "b" channels
o Color booster applied on the CIELab "a" and "b" channels
+ Amplifies color channels "a" and "b" together or separately / Avoids color overamplification in high chrominance areas / Option to avoid clipping caused by too high color boosting
o Luminance denoising algorithm applied on the CIELab luminance channel
+ Edge sensitive method to preserve as much details as possible
o Color denoising tool applied on the CIELab "a" and "b" channels
+ Classical gaussian blur or edge sensitive bluring of the color channels
o Fast switching between different postprocessing profiles
o Image flipping horizontally or vertically, rotation by 90 degrees clockwise or counter clockwise
o Arbitrary image rotation (straightening tool)
+ with fill function or automatic crop
o Simple lens distortion correction
o Crop tool
o Chromatic Aberration correction tool
o Channel Mixer for Red, Green and Blue channels
o C/A Correction
o Vignetting Correction
* ICC based color management
* Change History with bookmarks to support before/after checking
* Output options:
o Supported file formats:
+ JPEG (8 bit), PNG (8 or 16 bit), TIFF (8 or 16 bit)
o Image ouput size could be set
o EXIF data is preserved in JPEG output (except crw files)
o Output directory and automatic file naming highly customizable
* File browsing with thumbnails
* Localization supported (utf8 language file):
already included languages are: czech, deutsch, english, espanol, italian, latvian, magyar, nederlands, polish, russian, slovak, swedish

Возможности RawTherapee:
* коррекция экпозиции
* настройка баланса белого
* удаление цветовых и яркостных шумов
* настройка цветовых каналов
* компенсация хроматических аберраций, виньетирования и дисторсии
* поворот и отражение изображения
* кадрирование
* изменение разрешения
* редактирование тегов Exif и IPTC
* пакетная обработка файлов
Обработанные изображения можно сохранять в форматах JPEG, TIFF и PNG (в т.ч. с глубиной цвета 16 бит/канал)

Changelog RawTherapee V2.4 released (July 21, 2009):
* Exif/IPTC support
* Theme switching
* Improved GUI layout
* Improved filebrowser
o Ranking support
o Basic file operations possible (delete, remove, rename)
o Filtering based on Exif data
o Configurable thumbnail caching
o Live thumbnails (showing the images in the processed state)
o Resizable thumbnails
o Configurable thumbnail layout (left - right, top - down)
* Basic batch processing
o Controllable workqueue
o Copy/Paste processing profiles (or only parts of them)
o Direct sending of images to the workqueue
* Improved auto-exposure and spot white balance
* "Send to Editor" feature (Gimp, Photoshop, custom editor)
The long delay in the recent months was partially caused by the lack of time devoted to bug fixing and by the solution of a critical bug in shadow & ighlight enhancement method.