Browse free open source Image Viewers and projects for Windows and Mac below. Use the toggles on the left to filter open source Image Viewers by OS, license, language, programming language, and project status.

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  • 1
    FreeImage is a library project for developers who would like to support popular graphics image formats (PNG, JPEG, TIFF, BMP and others). Some highlights are: extremely simple in use, not limited to the local PC (unique FreeImageIO) and Plugin driven!
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    Downloads: 2,350 This Week
    Last Update:
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  • 2

    Developer's Image Library

    A full featured cross-platform image library

    Developer's Image Library (DevIL) is a cross-platform image library utilizing a simple syntax to load, save, convert, manipulate, filter and display a variety of images with ease.
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    Downloads: 342 This Week
    Last Update:
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  • 3
    GeoTools, the Java GIS toolkit

    GeoTools, the Java GIS toolkit

    Toolkit for working with and mapping geospatial data

    GeoTools is an open source (LGPL) Java code library which provides standards compliant methods for the manipulation of geospatial data. GeoTools is an Open Source Geospatial Foundation project. The GeoTools library data structures are based on Open Geospatial Consortium (OGC) specifications.
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    Downloads: 234 This Week
    Last Update:
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  • 4

    Pix

    Image management application

    Pix is an image management application with image viewing, browsing, organizing and editing capabilities. It is part of the X-Apps project, which aims at producing cross-distribution and cross-desktop software. Pix supports numerous image types including: BMP, JPEG, GIF, PNG, TIFF, TGA, ICO and XPM; with optional support for RAW and HDR (high dynamic range) images. It is also able to view EXIF data attached to JPEG images. Pix has its own set of image editing tools that enable you to make color, hue, saturation, lightness and contrast adjustments, as well as a number of advanced tools such as slide shows, converting image format and more.
    Downloads: 29 This Week
    Last Update:
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  • 5
    FastPhotoTagger

    FastPhotoTagger

    A fast way to set photo metadata tags

    FastPhotoTagger tries to be the fastest way to set the metadata in your photos. Add, change, delete, and search the metadata fields of your choice. FastPhotoTagger excels when you have lots of files and lots of metadata. With FastPhotoTagger, you can - Set multiple images to have the same tags - Set individual images to have unique tags - Display all the metadata in an image - Compare and edit all the metadata in several images - Work with your favorite metadata fields: EXIF, XMP, IPTC, etc. - Define hierarchical keywords - View images and slideshows that display tags as captions - Create and search a metadata database FastPhotoTagger has versions for PC and Android. FastPhotoTagger uses ExifTool to read & write metadata, HyperSQL to manage its database, dcraw to display DNG & RAW, and ImageMagick to display TIFF. WEBP, & HEIC.
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    Downloads: 59 This Week
    Last Update:
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  • 6
    ImageMagick

    ImageMagick

    Display, convert, and edit raster image and vector image files

    ImageMagick® is a free and open-source software suite for displaying, converting, and editing raster image and vector image files. It can read and write over 200 image file formats, and can support a wide range of image manipulation operations, such as resizing, cropping, and color correction. ImageMagick is written in C and is available for a wide range of operating systems, including Linux, macOS, and Windows. It can be used as a standalone application, or as a library that can be integrated into other software programs. Overall, ImageMagick is a powerful and versatile software suite for displaying, converting, and editing image files. Its support for scripting and automation, along with its other features, make it a valuable tool for a wide range of image-related tasks.
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    Downloads: 308 This Week
    Last Update:
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  • 7
    CxImage is a C++ image processing library. It can load, save, display, transform images in a very simple and fast way, with transparency, multiple layers and selections, support for BMP GIF JPG PNG MNG TIF ICO TGA PCX J2K JBG RAS PNM RAW PSD
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    Downloads: 21 This Week
    Last Update:
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  • 8

    mapivi

    Picture manager with focus on meta information (XMP, IPTC, EXIF)

    Open-source and cross-platform picture manager and organizer with complete meta information support: add, edit, search and remove XMP, IPTC, EXIF and JPEG Comment. It also offers batch conversion/renaming of images and lossless rotation and cropping.
    Downloads: 6 This Week
    Last Update:
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  • 9
    Reads and writes images used in many popular games. Great for mod development. Supports over 50 games, with more games added through small plugins. Allows batch conversion of images.
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    Downloads: 13 This Week
    Last Update:
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  • 10
    Photovault is an photo archiving/organization system
    Downloads: 9 This Week
    Last Update:
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  • 11
    TTFviewer

    TTFviewer

    TTFviewer is a small tool for developers to preview ttf font/icon file

    TTFviewer is a small tool for developers to view and preview various ttf font/icon image formats. It is based on Qt and supports windows/linux/macos.
    Downloads: 6 This Week
    Last Update:
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  • 12
    INScore

    INScore

    An environment for the design of INteractive augmented music Scores

    INScore provides representation, composition and manipulation of heterogeneous music objects, both in the graphic and time domains. INScore is multi-platform and based on an OSC API. It supports also scripting using a textual extended version of the OSC API.
    Downloads: 1 This Week
    Last Update:
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  • 13
    Aorta
    Aorta (the Aleph One Replacement Texture Accessory) is a tool for creating high quality RGB and S3TC / DXTC (using the Squish library) DDS textures.
    Downloads: 2 This Week
    Last Update:
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  • 14
    Image Tagger is a simple graphical application to allow the tagging of images. It currently allows you to set title, commands, and keywords in the IPTC / EXIF tags. It's not very polished, but it is pretty stable. It uses ExifTool for editing tags.
    Downloads: 3 This Week
    Last Update:
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  • 15
    ImageStone

    ImageStone

    A powerful C++ class library for image manipulation

    ImageStone is a powerful C++ class library for image manipulation. Its features include load, save, display, transformation, and nearly 100 special image effects. It can be used cross platform (includes Windows, Linux, Mac), and especially under windows it can be used as a DIB wrapper class.
    Downloads: 1 This Week
    Last Update:
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  • 16
    DXF Viewer and Editor (Lines- Arcs - Circles - Polylines - Text - Trace - Solids)
    Downloads: 2 This Week
    Last Update:
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  • 17
    GeOxygene
    GeOxygene aims at providing an open framework which implements OGC/ISO specifications for the development and deployment of geographic (GIS) applications. It is a open source contribution of the COGIT lab. at the IGN (the French National Mapping Agency).
    Leader badge
    Downloads: 1 This Week
    Last Update:
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  • 18
    PRICE - image filtering and manipulation

    PRICE - image filtering and manipulation

    Imaging application for GNUstep and MacOS

    PRICE: a high-quality image manipulation and enhancement application, also suitable as a multi-window image viewer. For GNUstep and Mac.
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    Downloads: 1 This Week
    Last Update:
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  • 19
    The target of Photo Toolkit is to present an interface to enrich the masses of digital photos with descriptive tags and geographic coordinates and to generate web galeries. Futhermore its structure is simple to extend with custom features.
    Downloads: 1 This Week
    Last Update:
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  • 20
    VOpenCHR is an Open Source VERGE CHR Editor that aims to edit CHR (sprite) files for all VERGE versions. VERGE is a role playing game creation engine and can be found at www.verge-rpg.com
    Downloads: 1 This Week
    Last Update:
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  • 21
    Adage is an advanced graphics packagecombining simplicity with CAD/CAGD power. It comprises a Gtk frontend and an extensible graphics engine based on the MDAG programming system.
    Downloads: 0 This Week
    Last Update:
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  • 22
    Amazed is an image editor written in Java. Its key features are simple viewing and manipulation of images in different formats, including easy navigation among images in a directory. Other features: resizing, flipping, filtering, adding text, printing, op
    Downloads: 0 This Week
    Last Update:
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  • 23
    Feel pictures free of charge - SeebyTouch is the unique open source tactile vision substitution system available! Using the software and the construction manual it is possible for everyone to get pictures over the tactile sense! - Blindensehersatzsys
    Downloads: 0 This Week
    Last Update:
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  • 24
    GUI zur Erstellung, Bearbeitung, Anzeige und Ausdruck von Formations- choreografien (Tanzsport).
    Downloads: 0 This Week
    Last Update:
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  • 25
    FrolicFlea is a tool for digital phorographers which helps to organize, view and edit digital photos.
    Downloads: 0 This Week
    Last Update:
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