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GIMP

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  Analyzed about 2 hours ago

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. It has many capabilities. It can be used as a simple paint program, an expert quality photo retouching program, an online batch ... [More] processing system, a mass production image renderer, an image format converter, etc. GIMP is expandable and extensible. It is designed to be augmented with plug-ins and extensions to do just about anything. The advanced scripting interface allows everything from the simplest task to the most complex image manipulation procedures to be easily scripted. GIMP is written and developed under X11 on UNIX platforms. But basically the same code also runs on MS Windows and Mac OS X. [Less]

869K lines of code

74 current contributors

about 20 hours since last commit

4,575 users on Open Hub

Very High Activity
4.19799
   
11 Reviews
I Use This
Mostly written in C
Licenses: gpl3_or_l..., lgpl21_or..., lgpv3_or_...
Tags application art c editor exif gegl gnome gnu graphics gtk+ gui image 12 more...

libpng

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  Analyzed 7 months ago

libpng is the official PNG reference library. It supports almost all PNG features, is extensible, and has been extensively tested for over 17 years. libpng is available as ANSI C source code and requires zlib 1.0.4 or later (1.2.3 or 1.1.4 recommended due to potential security vulnerabilities in ... [More] earlier versions). In addition to the main library sources, libpng includes the rpng, rpng2 and wpng demo programs, the pngminus demo program, a subset of Willem van Schaik's PngSuite test images, and Willem's VisualPng demo program. Configure, CMake, Visualc projects, and various makefiles are included for building libpng. Libpng is under the libpng license. [Less]

462K lines of code

0 current contributors

over 1 year since last commit

348 users on Open Hub

Activity Not Available
4.26316
   
0 Reviews
I Use This
Mostly written in C
Licenses: libpng
Tags compression graphics image library lossless png raster

libjpeg

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  Analyzed over 2 years ago

A widely used free library for JPEG image compression.

58K lines of code

0 current contributors

about 13 years since last commit

222 users on Open Hub

Activity Not Available
4.17241
   
0 Reviews
I Use This
Mostly written in C
Licenses: IJG
Tags compression graphics image jpeg library lossy raster

Krita

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Claimed by KDE Analyzed 28 days ago

Digital Painting, Creative Freedom! Krita is a KDE program for sketching and painting, offering an end–to–end solution for creating digital painting files from scratch by masters. Fields of painting that Krita explicitly supports are concept art, creation of comics and textures for rendering. ... [More] Modeled on existing real-world painting materials and workflows, Krita supports creative working by getting out of the way and with a snappy response. [Less]

836K lines of code

52 current contributors

28 days since last commit

37 users on Open Hub

Very High Activity
4.14286
   
0 Reviews
I Use This
Mostly written in C++
Licenses: lgpl2_0
Tags art c++ design drawing editor graphical graphics image image_manipulation image_processing images kde 8 more...

grafx2

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  Analyzed over 2 years ago

GrafX2 is a bitmap paint program that allows you to draw in more than 60 video resolutions including most of the standard Amiga resolutions : 320x200, 320x256, 320x512, 640x256, 640x512, etc. It was written to run under DOS, but the code you'll find here was modified to use SDL and modern operating ... [More] systems. This program is dedicated to everybody who knows what a single pixel is. Its layout is not very different from the famous Deluxe Paint or Brilliance, so it will be quite easy to handle it if you know at least one of these programs. If you aren't used to the art of drawing with up to 256 colors, it will be a little more difficult for you, but you should give it a try (or more, because most of the power of this program won't show up on the first try). [Less]

4.28M lines of code

27 current contributors

over 2 years since last commit

36 users on Open Hub

Activity Not Available
4.85714
   
0 Reviews
I Use This
Mostly written in C
Licenses: gpl
Tags application art c drawing editor graphic graphics image image_manipulation images linux mac 10 more...

MyPaint

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  Analyzed about 18 hours ago

A fast and easy open-source graphics application for digital painters. It lets you focus on the art instead of the program. You work on your canvas with minimum distractions, bringing up the interface only when you need it.

58.7K lines of code

38 current contributors

2 months since last commit

35 users on Open Hub

Very Low Activity
4.82353
   
0 Reviews
I Use This
Mostly written in Python
Licenses: gpl, lgpl21_or...
Tags application art c++ design digital_content_creation drawing easy easytouse editor gnome graphic graphical 29 more...

GraphicsMagick

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  Analyzed 1 day ago

GraphicsMagick is the swiss army knife of image processing. It provides a robust collection of tools and libraries which support reading, writing, and manipulating an image in over 88 major formats including important formats like DPX, GIF, JPEG, JPEG-2000, PNG, PDF, SVG, and TIFF. GraphicsMagick ... [More] supports huge images on systems that support large files, and has been tested with gigapixel-size images. GraphicsMagick can create new images on the fly, making it suitable for building dynamic Web applications. GraphicsMagick may be used to resize, rotate, sharpen, color reduce, or add special effects to an image and save the result in the same or differing image format. [Less]

578K lines of code

3 current contributors

3 days since last commit

24 users on Open Hub

Moderate Activity
5.0
 
1 Review
I Use This
Mostly written in C
Licenses: mit
Tags batch command_line draw drawing exif format_conversion graphics image image_format image_processing large_image multi_platform 8 more...

Pinta

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  Analyzed 25 days ago

Pinta is a free, open source drawing/editing program modeled after Paint.NET. Its goal is to provide users with a simple yet powerful way to draw and manipulate images on Linux, Mac, and Windows.

35.1K lines of code

5 current contributors

about 2 months since last commit

10 users on Open Hub

Moderate Activity
0.0
 
0 Reviews
I Use This
Mostly written in C#
Licenses: mit
Tags drawing editor gtk multi-platform painting raster

Graphics32

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  Analyzed over 2 years ago

Graphics32 is a graphics library for Delphi and Kylix/CLX. Optimized for 32-bit pixel formats, it provides fast operations with pixels and graphic primitives. In most cases Graphics32 considerably outperforms the standard TBitmap/TCanvas methods.

0 lines of code

0 current contributors

0 since last commit

9 users on Open Hub

Activity Not Available
5.0
 
0 Reviews
I Use This
Mostly written in language not available
Licenses: lgpl21le, mozilla_p...
Tags 32-bit algorithm alphablending assembler assembly bcb bitmap carbon c++builder cppbuilder delphi drawing 31 more...

VIPS

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  Analyzed 23 days ago

The VIPS library/image processing system is well suited for larger than RAM true and false-colour images. VIPS can be used for image format conversion, colour calibration, image filtering, transformation and analysis, thumbnail generation, small object recognition and many other image processing ... [More] tasks. VIPS is well suited for medical and scientific research & development and batch image processing. It is not so good for retouching photographs. The system has two main parts: libvips is the library, and nip2 is the GUI. Both execute common image processing tasks faster than other image processing systems because of sophisticated memory/task management and multicore compatibility. VIPS runs in batch (command line) mode on *nix, Windows, Mac and other OSes. [Less]

282K lines of code

19 current contributors

24 days since last commit

6 users on Open Hub

High Activity
5.0
 
0 Reviews
I Use This
Mostly written in C
Licenses: lgpl21
Tags analyse arbitrary_number_of_colour_bands batch_processing c c++ color color_calibration colour colour_calibration dicom embedded fast 44 more...