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.

  • $300 Free Credits for Your Google Cloud Projects Icon
    $300 Free Credits for Your Google Cloud Projects

    Start building on Google Cloud with $300 in free credits. No commitment, no credit card required until you're ready to scale.

    Launch your next project with $300 in free Google Cloud credits—no strings attached. Test, build, and deploy without risk. Use your credits across the entire Google Cloud platform to find what works best for your needs. After your credits are used, continue with always-free tier services. Only pay when you're ready to scale. Sign up in minutes and start exploring.
    Start Free Trial
  • Train ML Models With SQL You Already Know Icon
    Train ML Models With SQL You Already Know

    BigQuery automates data prep, analysis, and predictions with built-in AI assistance.

    Build and deploy ML models using familiar SQL. Automate data prep with built-in Gemini. Query 1 TB and store 10 GB free monthly.
    Try Free
  • 1
    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.
    Leader badge
    Downloads: 17,285 This Week
    Last Update:
    See Project
  • 2
    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.
    Leader badge
    Downloads: 4,160 This Week
    Last Update:
    See Project
  • 3

    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.
    Leader badge
    Downloads: 3,694 This Week
    Last Update:
    See Project
  • 4
    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
    Leader badge
    Downloads: 3,872 This Week
    Last Update:
    See Project
  • Host LLMs in Production With On-Demand GPUs Icon
    Host LLMs in Production With On-Demand GPUs

    NVIDIA L4 GPUs. 5-second cold starts. Scale to zero when idle.

    Deploy your model, get an endpoint, pay only for compute time. No GPU provisioning or infrastructure management required.
    Try Free
  • 5
    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.
    Leader badge
    Downloads: 3,496 This Week
    Last Update:
    See Project
  • 6
    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!
    Leader badge
    Downloads: 1,519 This Week
    Last Update:
    See Project
  • 7
    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.
    Leader badge
    Downloads: 1,190 This Week
    Last Update:
    See Project
  • 8

    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.
    Leader badge
    Downloads: 476 This Week
    Last Update:
    See Project
  • 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.
    Leader badge
    Downloads: 371 This Week
    Last Update:
    See Project
  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
    Try free now
  • 10
    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.
    Leader badge
    Downloads: 253 This Week
    Last Update:
    See Project
  • 11
    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).
    Leader badge
    Downloads: 132 This Week
    Last Update:
    See Project
  • 12
    JarkViewer

    JarkViewer

    A lightweight, lightning-fast, and powerful image viewer

    JarkViewer is a lightweight, lightning‑fast image viewer for Windows 10/11 (64‑bit) that supports a wide range of modern image formats, from traditional JPEG/PNG to newer types such as AVIF, HEIC, JPEG XL, and various RAW files. It is designed as a native portable application with fully static linking, distributed as a single executable with no separate installer, making it simple to run from any folder or removable drive. The viewer handles static images, animated formats (GIF, animated WebP/PNG/APNG/JXL/AVIF), and special “live” photo types such as iOS Live Photos (.livp) and Android Motion Photos/Micro Videos, although audio playback for live photos is not yet supported. It also supports a broad set of RAW formats from various camera manufacturers, allowing photographers to browse their libraries without converting to JPEG first.
    Downloads: 28 This Week
    Last Update:
    See Project
  • 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).
    Leader badge
    Downloads: 182 This Week
    Last Update:
    See Project
  • 14
    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.
    Leader badge
    Downloads: 126 This Week
    Last Update:
    See Project
  • 15
    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.
    Leader badge
    Downloads: 66 This Week
    Last Update:
    See Project
  • 16
    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:
    See Project
  • 17
    Ginkgo CADx
    Ginkgo CADx is an extensible multi-platform Open Source Medical Imaging software which provides a complete DICOM Viewer solution with advanced capabilities.
    Downloads: 53 This Week
    Last Update:
    See Project
  • 18
    Album Shaper strives to be the most friendly, easy to use, cross platform application for organizing, annotating, framing, enhancing, stylizing, and sharing your digital photos.
    Downloads: 50 This Week
    Last Update:
    See Project
  • 19
    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.
    Leader badge
    Downloads: 211 This Week
    Last Update:
    See Project
  • 20
    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.
    Leader badge
    Downloads: 71 This Week
    Last Update:
    See Project
  • 21
    dslibris

    dslibris

    A book reader for Nintendo DS

    An ebook reader for the Nintendo DS, focusing on comfortable and uncluttered presentation. See GitHub for current releases and source code: https://github.com/rhaleblian/dslibris
    Downloads: 33 This Week
    Last Update:
    See Project
  • 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.
    Leader badge
    Downloads: 41 This Week
    Last Update:
    See Project
  • 23
    Kirstens Viewers

    Kirstens Viewers

    Opensource Created Custom Viewers For Virtual Worlds like SecondLife.

    Kirsten’s Viewer is a fast, modern Third‑Party Viewer (TPV) for Second Life, registered under the official TPV directory. It’s built for creators, photographers, and advanced users who want a clean, modern viewer with a focus on high performance on high end PC's Anaglyph 3D Mode , OpenCL‑based Visual Effects, Aggressive Optimisation, vcpkg + PowerShell One‑Click Build Automation, Highly Tuned Graphics Path , Many Other Cutting‑Edge Features — ongoing experimental work, performance improvements, and creator‑driven enhancements continue to push the viewer forward.
    Downloads: 47 This Week
    Last Update:
    See Project
  • 24
    BDReader

    BDReader

    An e-comics reader featuring panels detection and comfortable reading

    BDReader is intended to be a comfortable comics reader. As a main feature, BDReader includes an auto panels detection on comics pages. It allows you to display the panels (or squares) of a comic page individually, in the reading order. It also offers a Preview page option, allowing you to preview each page before reading into details the different panels of the page as well as a page thumbnails view. BDReader supports classic comic book formats: CBR, CBZ, PDF (...) as well as images archives and image folders. If you like reading comics on your computer and are fed up with zooming/dezooming all time to have the right reading size, give it a try ! For a quick try: -Download and install BDReader -Launch BDReader and Open a comic file (pdf, cbr, cbz ...) -Switch to Panel mode (Navigation->Panel mode or press c) -Navigate through your comic using the left and right arrows or your mouse wheel See the Wiki for more information (any feedback appreciated)
    Leader badge
    Downloads: 60 This Week
    Last Update:
    See Project
  • 25
    RECOIL

    RECOIL

    Retro Computer Image Library

    Retro Computer Image Library decodes Amiga, Amstrad CPC, Apple II, Atari 8-bit, Atari Portfolio, Atari ST/TT/Falcon, BBC Micro, Commodore 64, Commodore 16/116/Plus4, Commodore 128, Electronika BK, FM Towns, HP 48, Macintosh 128K, MSX, NEC PC-80/88/98, Oric, SAM Coupe, Sharp X68000, Tandy 1000, Timex 2048, TRS-80, TRS-80 Color Computer, ZX81 and ZX Spectrum picture formats. The project contains a simple viewer, plug-ins for general-purpose image viewers and editors, and an everything-to-png converter.
    Leader badge
    Downloads: 82 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • 2
  • 3
  • 4
  • 5
  • Next