OpenEXR is a high dynamic-range (HDR) image file format developed by Industrial Light & Magic for use in computer imaging applications.
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Category: Graphics
Hugin – panorama photo stitcher software
Hugin is a panorama photo stitching program. The resulting image can span 360 degrees. Hugin creates very high resolution pictures.
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Phatch – photo batch processor and Exif renamer
PHoto bATCH Processor (Phatch) is a simple to use open source GUI Photo Batch Processor which handles all popular image formats.
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jExifToolGUI – graphical frontend to ExifTool
jExifToolGui is a graphical frontend (GUI) for ExifTool. It’s written in Java and published under an open source license.
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Exiv2 – C++ library and command line utility to manage image metadata
Exiv2 is a C++ library and a command line utility to manage image metadata (Exif, IPTC and XMP metadata).
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Photini – digital photograph metadata editing application
Photini is an easy to use digital photograph metadata (EXIF, IPTC, XMP) editing application.
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jpegoptim – optimize JPEG files from the command line
jpegoptim is a command-line JPEG optimizer supporting lossless and lossy recompression, metadata control, progressive JPEGs and parallel processing.
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Oxipng – multithreaded lossless PNG optimizer
Oxipng is a multithreaded lossless PNG compression optimizer (CLI and library).
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pngcrush – optimizer for PNG files
Pngcrush is a free and open source optimizer for PNG (Portable Network Graphics) files. It is a command-line tool.
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ZopfliPNG – high-compression PNG optimizer
ZopfliPNG is a PNG optimizer that trades processing time for smaller files using intensive filtering, recompression and colour-type trials.
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OptiPNG – advanced PNG optimizer
OptiPNG optimizes PNG files, i.e. reduce their size to a minimum, without losing semantic information.
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pngquant – compress PNG images with efficient palettes
pngquant compresses PNG images by converting them to efficient 8-bit palettes with alpha transparency, quality controls and configurable dithering.
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Lepton – image compression tool and file format
Lepton is a tool and file format for losslessly compressing JPEGs by an average of 22%.
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MozJPEG – Mozilla JPEG Encoder Project
MozJPEG improves JPEG compression efficiency achieving higher visual quality and smaller file sizes at the same time.
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Guetzli – perceptual JPEG encoder
Guetzli is a JPEG encoder that aims for excellent compression density at high visual quality.
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GottenGeography – photo geotagging application
GottenGeography is a geotagging application written for the GNOME desktop. It’s written in Python.
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GPS Correlate – add GPS locations to photographs
GPS Correlate matches photo timestamps with GPX tracks and writes location, elevation and direction data into JPEG EXIF metadata.
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KGeoTag – geotagging program
KGeoTag is a standalone geotagging program. It’s free and open source software written in the C++ programming language.
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Geotag – match date/time information from photos
Geotag is software to match date/time information from photos with location information from a GPS unit or from a map.
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GpsPrune – view, edit and convert GPS data
GpsPrune views, edits and converts GPS coordinate data, tracks and waypoints with maps, profiles, photo geotagging and 3D visualisation.
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