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

  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

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    Yeastar: Business Phone System and Unified Communications

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  • 1
    WinDjView

    WinDjView

    A fast, compact, and powerful DjVu viewer

    WinDjView is a fast, compact and powerful DjVu viewer for Windows with tabbed interface, continuous scrolling and advanced printing options, based on free DjVuLibre library. MacDjView is a simple DjVu viewer for Mac OS X, also with continuous scrolling.
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    Downloads: 5,756 This Week
    Last Update:
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  • 2

    GraphicsMagick

    Swiss army knife of image processing

    GraphicsMagick provides a set of commandline tools and programming APIs for manipulating, editing, and converting raster and vector images. It is derived from ImageMagick, with the objective of providing better stability and performance than ImageMagick while retaining the original MIT/X11 license.
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    Downloads: 3,291 This Week
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  • 3
    SageThumbs

    SageThumbs

    Powerful Windows shell extension allowing to preview images.

    SageThumbs is a powerful shell extension allowing to preview enormous amount of image formats directly in Windows Explorer by using Pierre-e Gougelet's GFL library (XnView's author). Please read carefully the following information: As SageThumbs is a Windows Explorer context menu extension, there is no an executable file that you should launch to bring it up. To use it, just open any folder with image files in Windows Explorer, and then right-click a file you want to preview. You'll see the thumbnail immediately in the context menu. System Requirements: * Windows XP/2003/Vista/2008/7/2012/8/8.1 32/64-bit * About 5 Mb of disk space + additional space for cache
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    Downloads: 3,956 This Week
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  • 4
    DjVu is a web-centric format for distributing documents and images. DjVu was created at AT&T Labs-Research and later sold to LizardTech Inc. DjVuLibre is a GPL implementation of DjVu maintained by the original inventors of DjVu.
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    Downloads: 2,409 This Week
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  • Cycloid: Hybrid Cloud DevOps collaboration platform Icon
    Cycloid: Hybrid Cloud DevOps collaboration platform

    For Developers, DevOps, IT departments, MSPs

    Enable your developers to do their best work and increase time-to-market speed with a leading DevOps and Hybrid Cloud platform.
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  • 5
    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: 1,597 This Week
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  • 6
    JPEGView - Image Viewer and Editor

    JPEGView - Image Viewer and Editor

    Lean and fast image viewer with minimal GUI

    JPEGView is a lean, fast and highly configurable viewer/editor for JPEG, BMP, PNG, WEBP, TGA, GIF and TIFF images with a minimal GUI. Basic on-the-fly image processing is provided - allowing adjusting typical parameters as sharpness, color balance, rotation, perspective, contrast and local under-/overexposure.
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    Downloads: 1,448 This Week
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  • 7
    GPXSee

    GPXSee

    GPS log file viewer and analyzer

    GPS log file viewer and analyzer with support for GPX, TCX, KML, FIT, IGC, NMEA, SLF, SML, LOC, GPI, GeoJSON and OziExplorer files.
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    Downloads: 1,550 This Week
    Last Update:
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  • 8
    DJV

    DJV

    DJV provides professional review software for VFX, animation, and film

    DJV provides professional review software for VFX, animation, and film production. Playback high resolution, high bit-depth, image sequences and videos, with frame accurate control and color management. Available for Linux, Apple macOS, and Microsoft Windows. Source code is provided under a BSD style open source license.
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    Downloads: 533 This Week
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  • 9
    Cool Reader

    Cool Reader

    A cross-platform XML/CSS based eBook reader

    CoolReader is fast and small cross-platform XML/CSS based eBook reader for desktops and handheld devices. Supported formats: FB2, TXT, RTF, DOC, TCR, HTML, EPUB, CHM, PDB, MOBI. Platforms: Win32, Linux, Android. Ported on some eInk based devices.
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    Downloads: 490 This Week
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  • Strengthen your current Business intelligence infrastructure by automating reports and manual tasks Icon
    Strengthen your current Business intelligence infrastructure by automating reports and manual tasks

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  • 10

    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: 332 This Week
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  • 11
    Luminance HDR

    Luminance HDR

    Complete solution for HDR photography

    Luminance HDR is a complete suite for HDR imaging workflow. It provides a wide range of functionalities, during both the fusion stage and the tonemapping stage. Its graphical user interface, based on Qt5, runs on a variety of platforms, such as Microsoft Windows, Mac OS X 10.9 and later and several Unix flavors (Linux, FreeBSD and others). Input images can be supplied in multiple formats, from JPEG to RAW files. In the same way, output can be saved in many different formats as well, from JPEG to TIFF (both 8 bit and 16 bit per channel), enabling all the power of your post processing tools.
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    Downloads: 292 This Week
    Last Update:
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  • 12
    MeshLab

    MeshLab

    A processing system for 3D triangular meshes

    MeshLab, a mesh processing system, for user assisted editing, cleaning, filtering and rendering of large unstructured 3D triangular meshes (typical 3D scanning meshes). The system relies for mesh processing tasks on the gpl VCG library (vcg.sf.net).
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    Downloads: 178 This Week
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  • 13
    Free editor for PDF documents. Complete editing of PDF documents is possible with PDFedit. You can change raw pdf objects (for advanced users) or use many gui functions. Functionality can be easily extended using a scripting language (ECMAScript).
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    Downloads: 172 This Week
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  • 14
    mrViewer

    mrViewer

    Flipbook, Image Viewer and Audio-Video Player

    This project is no longer active. It has been replaced by mrv2 at: www.sourceforge.net/p/mrv2 A video player, interactive image viewer, and flipbook for use in VFX, 3D computer graphics and professional illustration.
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    Downloads: 72 This Week
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  • 15
    Cyan

    Cyan

    Prepress image viewer and converter

    Cyan is an open source cross-platform image viewer and converter, designed for prepress (print) work. Like converting an image from RGB to CMYK, or the other way around. Cyan supports color profiles complying with the International Color Consortium (ICC) standard, and strives to create as color-accurate images as possible, with support for RGB, CMYK and GRAY with up to 32-bit image depth.
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    Downloads: 128 This Week
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  • 16
    JPEGsnoop

    JPEGsnoop

    JPEG decoder and detailed analysis

    JPEGsnoop is a detailed JPEG image decoder and analysis tool. It reports all image metadata and can even help identify if an image has been edited.
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    Downloads: 88 This Week
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  • 17

    Comical

    Cross-platform CBR/CBZ (comic book) reader

    Comical is a portable CBR and CBZ viewer written in C++ using wxWidgets. It supports multiple image formats and uses high-quality image scaling algorithms to fit pages onscreen.
    Downloads: 56 This Week
    Last Update:
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  • 18
    Ginkgo CADx
    Ginkgo CADx is an extensible multi-platform Open Source Medical Imaging software which provides a complete DICOM Viewer solution with advanced capabilities.
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    Downloads: 68 This Week
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  • 19
    Tulip
    Tulip is an information visualization framework dedicated to the analysis and visualization of relational data. Tulip aims to provide the developer/user with a complete library/software, supporting the design of interactive information visualization
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    Downloads: 59 This Week
    Last Update:
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  • 20
    GLC-Player
    GLC_Player is a OpenGL Open Source 3D viewer used to view 3d models (COLLADA, 3DXML, OBJ 3DS STL OFF COFF Format) and to navigate easily in these models.
    Downloads: 66 This Week
    Last Update:
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  • 21
    qimgv

    qimgv

    Image viewer. Fast, easy to use. Optional video support

    Image viewer. Fast, easy to use. Optional video support. The idea is to have an uncluttered, simple, and easy-to-use UI. You can see UI elements only when you need them. There is a pull-down panel with thumbnails, as well as a folder view. You can also bring up a context menu via right-click.
    Downloads: 10 This Week
    Last Update:
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  • 22
    DiffImg

    DiffImg

    Simple image comparison tool

    DiffImg is a simple image comparison tool which take two images with the same size as input. Some statitics are computed and the positions where pixel differ are displayed as a color mask.
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    Downloads: 53 This Week
    Last Update:
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  • 23
    This project is about an open source application to load and visualize COLLADA files in real time using OpenGL.
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    Downloads: 226 This Week
    Last Update:
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  • 24
    JarkViewer

    JarkViewer

    A lightweight, lightning-fast, and powerful image viewer

    JarkViewer is a desktop application designed to provide a clean, highly customizable environment for viewing digital comics, manga, novels, and other image-based reading material. Its interface emphasizes smooth, distraction-free navigation with features like full-screen mode, continuous scrolling, dual-page support, and customizable key/mouse bindings so users can tailor controls to their reading style. It supports multiple archive formats (ZIP, RAR, CBZ, CBR) and common image types, making it easy to load and organize large collections without needing to extract files manually. Beyond just viewing, JarkViewer includes library management tools that let you categorize, tag, and sort your books by metadata or user-defined criteria, helping you keep large collections orderly. It also focuses on performance and responsiveness, handling high-resolution images efficiently and allowing quick jumps between pages or chapters.
    Downloads: 7 This Week
    Last Update:
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  • 25
    3DimViewer

    3DimViewer

    3DimViewer is a lightweight 3D viewer of medical DICOM datasets.

    3DimViewer is a lightweight 3D viewer of medical DICOM datasets that is distributed as open source software. The viewer is multiplatform software written in C++ that runs on Windows, Mac OS X and Linux systems. 3DimViewer source codes are available on Bitbucket (https://bitbucket.org/3dimlab/3dimviewer). Video tutorials can be found on YouTube (https://www.youtube.com/playlist?list=PLCvwUmKRw9ZO4YexLKEXmw_2jPo-kXVRn).
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    Downloads: 103 This Week
    Last Update:
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