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

  • 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.
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  • Context for your AI agents Icon
    Context for your AI agents

    Crawl websites, sync to vector databases, and power RAG applications. Pre-built integrations for LLM pipelines and AI assistants.

    Build data pipelines that feed your AI models and agents without managing infrastructure. Crawl any website, transform content, and push directly to your preferred vector store. Use 10,000+ tools for RAG applications, AI assistants, and real-time knowledge bases. Monitor site changes, trigger workflows on new data, and keep your AIs fed with fresh, structured information. Cloud-native, API-first, and free to start until you need to scale.
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  • 1
    gPhoto
    gPhoto is a program and library framework that lets users download pictures from their digital cameras. The libgphoto2 library gives you access to hundreds of models of digital cameras on several platforms. GIT repo and Issue tracker lives at https://github.com/gphoto/ these days.
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    Downloads: 2,089 This Week
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  • 2
    NAPS2 - Not Another PDF Scanner

    NAPS2 - Not Another PDF Scanner

    Scan documents to PDF and other file types, as simply as possible.

    Visit NAPS2's home page at www.naps2.com. NAPS2 is a document scanning application with a focus on simplicity and ease of use. Scan your documents from WIA- and TWAIN-compatible scanners, organize the pages as you like, and save them as PDF, TIFF, JPEG, PNG, and other file formats. Available on Windows, Mac, and Linux. NAPS2 is currently available in over 40 different languages. Want to see NAPS2 in your preferred language? Help translate! See the wiki for more details.
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    Downloads: 488 This Week
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  • 3
    AntiDupl

    AntiDupl

    Search of similar and defective images on the disk.

    Typically, modern computer users have large collections of images in various formats. And then more these collections, then more likely to have the large number of duplicates. The natural desire of the user is to get rid of them. However, if the collection is large enough, do this manually is a very tedious and unproductive work. AntiDupl.NET program will help you automate this process. It can find and display duplicate images in the main graphic formats: JPEG, GIF, TIFF, BMP, PNG, EMF, WMF, EXIF, ICON, JP2, PSD, DDS and TGA. The comparison is based on the contents of the files, so the program can find not only almost identical, but similar images. In addition, the program can find images with some types of defects. AntiDupl.NET program is free and open-source software. It is simple to use, has high speed and accuracy of work, supports Russian and English interface.
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    Downloads: 306 This Week
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  • 4
    Ascii Generator 2
    Ascii Generator 2 (Ascgen2) is an application to convert images into high quality ASCII art - text that accurately represents the original image. The only program of its kind to support variable width fonts and real-time output adjustment and more.
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    Downloads: 201 This Week
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  • Deliver trusted data with dbt Icon
    Deliver trusted data with dbt

    dbt Labs empowers data teams to build reliable, governed data pipelines—accelerating analytics and AI initiatives with speed and confidence.

    Data teams use dbt to codify business logic and make it accessible to the entire organization—for use in reporting, ML modeling, and operational workflows.
    Learn More
  • 5
    Provides optical character recognition (OCR) solutions for Vietnamese language.
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    Downloads: 215 This Week
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  • 6
    PicView

    PicView

    Fast, free and customizable picture viewer

    PicView is a fast, free and fully customizable picture viewer for macOS and Windows 10/11. It supports virtually all image file types, including (animated) WEBP, (animated) GIF, SVG, AVIF, HEIC, PSD and many others. Additional features includes viewing EXIF metadata, image compression, batch resizing, viewing images within archives and comic books, image effects, image galleries, and more. Enjoy a clean, free, and fast experience with no annoying pop-ups, and zero tracking. It works out of the box — or you can customize it to your needs. Available in portable and installable versions.
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    Downloads: 140 This Week
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  • 7
    Xiaomi PC Tools

    Xiaomi PC Tools

    Xiaomi PC Tools

    APPLICATION SUPPORT HAS BEEN TERMINATED. YOU CAN CONTINUE TO USE IT BUT FEATURES MAY NOT WORK PROPERLY OR MAY BE OUTDATED. UYGULAMA DESTEĞİ SONLANDIRILDI KULLANMAYA DEVAM EDEBİLİRSİNİZ ANCAK ÖZELLİKLER DOĞRU ÇALIŞMAYABİLİR VEYA GÜNCELLİĞİNİ KAYBETMİŞ OLABİLİR. Xiaomi PC Tools has been developed for Xiaomi users. The aim of the program is to consolidate and facilitate many processes under a single program. **INFORMATION** Don’t be afraid if your browser or Windows complains about the file being “unsafe”, you can trust us. NOTE: Do not forget to run the program as an administrator. Report in-app errors/bugs Send mail>> xfdevapps@gmail.com SYSTEM REQUIREMENTS CPU: 1GHZ any CPU. RAM:512MB or higher. OS: Windows 7 or newer operating system. (32Bit or 64Bit) Connection: 512 KBPS or faster Internet connection. Java JRE Runtime
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    Downloads: 103 This Week
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  • 8
    Greenshot - Screen Recorder

    Greenshot - Screen Recorder

    A free and open source screenshot tool optimized for productivity

    Greenshot is a lightweight screenshot software tool for Windows that quickly creates screenshots of a selected region, window, or full screen; you can even capture complete (scrolling) web pages from Internet Explorer. Greenshot easily annotates, highlights, or obfuscates parts of the screenshot. Greenshot also exports screenshots in various ways: save to file, send to printer, copy to clipboard, attach to e-mail, send Microsoft Office programs, or upload to photo sites like Flickr or Picasa. And Greenshot has a lot more options, to simplify the creation of, and work with, screenshots every day. Overall, Greenshot is easy to understand and configurable, that's why it is an efficient tool for project managers, software developers, technical writers, testers, and anyone else creating screenshots.
    Downloads: 3 This Week
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  • 9
    Pdf & Djvu Bookmarker is a powerful tool to create and edit outlines in Pdf and DjVu files. It is based on DjVuLibre, iTextSharp and TreeViewAdv for .NET. Adobe Reader X should be installed on target computer. For more info read MediaWiki on Hosted Apps page and manuals (included in installation).
    Downloads: 4 This Week
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  • Dominate AI Search Results Icon
    Dominate AI Search Results

    Generative Al is shaping brand discovery. AthenaHQ ensures your brand leads the conversation.

    AthenaHQ is a cutting-edge platform for Generative Engine Optimization (GEO), designed to help brands optimize their visibility and performance across AI-driven search platforms like ChatGPT, Google AI, and more.
    Learn More
  • 10
    Image Tools is a screen capture, file sharing and image processing tool. It features multi-threaded batch image resizing, conversion, cropping, flipping/rotating, watermarks, decolorizing (grayscale, negative, sepia), and optimizing. The BMP, GIF, TIFF, JPEG, PNG, and EMF image types are supported. It is compatible with Linux MONO (only for GNOME and Xfce). Multicore processing is supported to increase performance. The quality for output when optimizing is variable. Color channels can be filtered. An internal benchmarking tool is available. Indexed pixel format images can be processed. You can process your images, publish pieces of your screens, files and send links to everyone you want to share it.
    Downloads: 3 This Week
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  • 11
    PGMania

    PGMania

    Astrophotography image & video processor. Full processing cycle

    PGMania is a universal package for processing deep space images. The program provides wide and unique functionality, a powerful and flexible tool with a clear and user-friendly interface. The program performs all image processing cycles for astrophotography, including filtering, cleaning, aligning, image calibrating, stacking, post-processing, format conversion, cropping, rotations, many special operations and much more. PGMania is environmentally friendly - it does not clutter your photos with something that was never there. You get full control over all processing processes and the most clean and accurate result at all cycles. The program has a clear and user-friendly interface and detailed help for all stages of processing.
    Downloads: 1 This Week
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  • 12

    Draft Notes

    Grab screen areas and note it with a mouse, pen & keyboad quickly.

    Especially for learners watching some lectures online or using video capturing devices. Grab screen areas with a click (or tap), automatically save it and allows adding notes on it using mouse, pen and keyboard - very quick (and draft). Then it is possible to view grabbed screenshots and annotate it additionally with the same set of tools, easy and convenient. May be help to somebody these sad days.
    Downloads: 1 This Week
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  • 13
    4 images

    4 images

    It's a image viewer for a windows

    This program is a simple image viewer for Windows XP/Vista/7/8/10 wth .Net Framework 4.0 or later. Supported formats: jpg; png; ico; jpeg; pcx; tiff; bmp; jp2; jxr; gif(without animation); Languages: English, Ukrainian, Germany, French, Japanese and Russian. Bugs: too much; ... 4 images, this is not a name ...
    Downloads: 0 This Week
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  • 14
    General purpose scientific framework and its astronomy samples
    Downloads: 0 This Week
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  • 15

    Card Raytracer Benchmark

    Short C++/Java/C#/Python benchmark

    This is a short C++/Java/C#/Python benchmark. Based on Paul Heckbert's sources. Thank you Paul!
    Downloads: 0 This Week
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  • 16
    DxDvrCapture

    DxDvrCapture

    Survival capturing from USB devices

    Allows to capture video from UVC cameras using Console or Windows Service environment. Developed for supporting H.264 stream capturing from Logitech C920 camera. Features: - Get and save audio and video stream from UVC camera - No video preview. - Could work as Windows Service - Could work as Console Application - All parameters are configurable from config. UI for managing config file. - Overwrites video files when configured folder size is reached. - GPS info in subtitles - Centrafuse 3.5 plugin. N.B.: For recording stream from camera in H.264 must be used drivers provided by Windows OS. Program is under active development and testing so please post or email me your bugs, offers and questions!
    Downloads: 0 This Week
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  • 17
    Downloads: 0 This Week
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  • 18

    Free 3D Photo Maker

    Free 3D Photo Maker. Make 3D content yourself!

    The program allows you to create 3D pictures using one source image as well as two source images. In order to create a 3D image out of one picture, just check "Use single image" box. For creating 3D out of two images, take two shots of a still set object captured with a small horizontal shift (usually the distance must be about 2-3 inches to have the right scene). In both cases the images are inserted into the program and next second a 3D image is created in the location which you define on your PC. Please note that in order to watch the output 3D picture it is necessary to use stereo anaglyph glasses.
    Downloads: 0 This Week
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  • 19
    Friendly Palette Generator

    Friendly Palette Generator

    Palette generator based on grayscale values

    Friendly Palette Generator (FPG) is a tool that generates color palettes based on grayscale values. The colors produced match their grayscale equivalents, ensuring that no two colors in the palette have the same luminance. Colors that appear distinct to one person can be challenging to differentiate for individuals with color vision deficiencies or in specific visual conditions. FPG's color palettes are designed to be distinguishable, making them accessible to a broader range of users.
    Downloads: 0 This Week
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  • 20

    MonoGame Spectrum

    Spectrum on MonoGame using Bass.net

    Spectrum demonstration on MonoGame (XNA) with library use bass.net. Visual Studio 2012 I want to make her the worker on Linux, but yet did not achieve it. Video: youtu.be/ujTjEPovJ3k
    Downloads: 0 This Week
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  • 21

    Moon panorama 360

    Software to restore cyclorama (360 deg. panorama) from photos

    This application allows visually restore a cyclorama from a set of photos covering 360 degrees in all directions to horizon. It was specially designed to restore panoramas obtained by Apollo missions in 1969-1972 but it can be used to restore any cyclorama from photos got in your tourist trip (for example). The main principle of the program is in projecting photos on a 360x360 sphere and combining it together. If you select a correct field of view (FOV) for photo images, its combination become ideal for distant points. For moon cyclorama it is also possible to check a Sun and Earth positions on the sky and to compare the result with a LOLA data (provided by the the LRO moon satellite).
    Downloads: 0 This Week
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  • 22
    Oleg's J Page
    Downloads: 0 This Week
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  • 23
    This project is an image gallery. It lets you store images, group them into albims and edit, using extensive set of graphical filters. New languages can be easily added as well as new skins (themes). Site: http://foto.webbox.ru
    Downloads: 0 This Week
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  • 24

    PictureView

    Picture viewer

    Picture viewer with FreeImage library.
    Downloads: 0 This Week
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  • 25
    SameLook
    SameLook is a lightweight application for Windows. Open and compare 2 images at the same time, the same window. Change background color for comfortable view. SameLook - Compare Images.
    Downloads: 0 This Week
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