Showing 1494 open source projects for "json-c"

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  • Automate contact and company data extraction Icon
    Automate contact and company data extraction

    Build lead generation pipelines that pull emails, phone numbers, and company details from directories, maps, social platforms. Full API access.

    Generate leads at scale without building or maintaining scrapers. Use 10,000+ ready-made tools that handle authentication, pagination, and anti-bot protection. Pull data from business directories, social profiles, and public sources, then export to your CRM or database via API. Schedule recurring extractions, enrich existing datasets, and integrate with your workflows.
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    Payments you can rely on to run smarter.

    Never miss a sale. Square payment processing serves customers better with tools and integrations that make work more efficient.

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  • 1
    scrcpy

    scrcpy

    Display and control your Android device

    scrcpy is an application for displaying and controlling your Android device through USB connection (or over TCP/IP). It is cross-platform (GNU/Linux, macOS and Windows) and does not require any root access. scrcpy displays only the device screen but offers great performance (30~60fps) and quality (1920×1080 or above). It’s got low latency (35~70ms) and a very low startup time (less than a second). It offers plenty of great features and is non-intrusive, with nothing left installed inside...
    Downloads: 1,956 This Week
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  • 2
    SwiftShader

    SwiftShader

    SwiftShader is a high-performance CPU-based implementation

    SwiftShader is Google’s high-performance CPU-based implementation of the Vulkan 1.3 graphics API, designed to provide a hardware-independent rendering solution for 3D graphics. Unlike traditional GPU drivers, SwiftShader executes graphics commands entirely on the CPU, making it ideal for environments where dedicated graphics hardware is unavailable or unsuitable. It acts as a drop-in replacement for Vulkan drivers, allowing existing applications to run seamlessly by redirecting API calls...
    Downloads: 244 This Week
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  • 3
    ImageMagick

    ImageMagick

    ImageMagick 7

    ...ImageMagick includes a command-line interface for executing complex image processing tasks, as well as APIs for integrating its features into software applications. It is written in C and can be used on a variety of operating systems, including Linux, Windows, and macOS.
    Downloads: 30 This Week
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  • 4
    darktable

    darktable

    darktable is an open source photography workflow application

    darktable is an open source photography workflow application and non-destructive raw developer. A virtual lighttable and darkroom for photographers. It manages your digital negatives in a database, lets you view them through a zoomable lighttable and enables you to develop raw images, enhance them and export them on local or remote storage.
    Downloads: 38 This Week
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  • Nonprofit Budgeting Software Icon
    Nonprofit Budgeting Software

    Martus Solutions provides seamless budgeting, reporting, and forecasting tools that integrate with accounting systems for real-time financial insights

    Martus' collaborative and easy-to-use budgeting and reporting platform will save you hundreds of hours each year. It's designed to make the entire budgeting process easier and create unlimited financial transparency.
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  • 5
    WebP Codec

    WebP Codec

    Library to encode and decode images in WebP format

    ...The GitHub repository is a mirror; the canonical source of truth lives on Chromium’s git, and developer docs are hosted on WebP’s portal. The project underpins WebP support across browsers, imaging libraries, and many native apps thanks to its stable C API. Additional companion repos host test data and demos, including JavaScript builds and timing tests for various platforms. As a widely deployed codec, libwebp balances compression efficiency, speed, and integration simplicity across platforms.
    Downloads: 21 This Week
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  • 6
    void Image Viewer

    void Image Viewer

    Lightweight image viewer for Windows with animated GIF/WEBP support

    void Image Viewer is a minimal, lightweight Windows image viewer designed to open and display common image formats with extraordinary speed and simplicity. It supports a wide range of standard raster image types such as BMP, JPG, GIF, ICO, TIF, and also handles animated images like GIF and WebP, aiming to render them as accurately and quickly as possible for fast browsing without unnecessary UI clutter. Users benefit from its low resource usage, quick startup, and the ability to run multiple...
    Downloads: 25 This Week
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  • 7
    LVGL

    LVGL

    Powerful and easy-to-use embedded GUI library with many widgets

    Powerful and easy-to-use embedded GUI library with many widgets, advanced visual effects (opacity, antialiasing, animations), and low memory requirements (16K RAM, 64K Flash). LVGL provides everything you need to create an embedded GUI with easy-to-use graphical elements, beautiful visual effects, and a low memory footprint. LVGL is an open-source graphics library providing everything you need to create an embedded GUI with easy-to-use graphical elements, beautiful visual effects, and a low...
    Downloads: 34 This Week
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  • 8
    libvips

    libvips

    A fast image processing library with low memory needs

    ...It supports a good range of image formats, including JPEG, JPEG2000, JPEG-XL, TIFF, PNG, WebP, HEIC, AVIF, FITS, Matlab, OpenEXR, PDF, SVG, HDR, PPM / PGM / PFM, CSV, GIF, Analyze, NIfTI, DeepZoom, and OpenSlide. It can also load images via ImageMagick or GraphicsMagick, letting it work with formats like DICOM. It comes with bindings for C, C++, and the command-line. Full bindings are available for Ruby, Python, PHP, C# / .NET, Go, and Lua.
    Downloads: 5 This Week
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  • 9
    OpenGL Mathematics

    OpenGL Mathematics

    Highly Optimized Graphics Math (glm) for C

    Highly optimized 2D|3D math library, also known as OpenGL Mathematics (glm) for `C`. cglm provides lot of utils to help math operations to be fast and quick to write. It is community-friendly, feel free to bring any issues, bugs you faced. Almost all functions (inline versions) and parameters are documented inside the corresponding headers. OpenGL-related functions are dropped to make this lib platform/third-party independent.
    Downloads: 6 This Week
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  • Dun and Bradstreet Connect simplifies the complex burden of data management Icon
    Dun and Bradstreet Connect simplifies the complex burden of data management

    Our self-service data management platform enables your organization to gain a complete and accurate view of your accounts and contacts.

    The amount, speed, and types of data created in today’s world can be overwhelming. With D&B Connect, you can instantly benchmark, enrich, and monitor your data against the Dun & Bradstreet Data Cloud to help ensure your systems of record have trusted data to fuel growth.
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  • 10

    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...
    Downloads: 13 This Week
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  • 11
    vengi

    vengi

    Free and open source voxel art tools - editor, thumbnailer and format

    This is a collection of voxel tools. It includes a voxel editor with animation support and loading/saving into a lot of voxel volume formats. There are other tools e.g. a thumbnail for your file manager and a command line tool to convert or modify between several voxel formats. Use a voxel editor or to convert your voxel models into an obj or ply file. If you came here as a developer, make sure to check out the dependencies and set up your development environment. The build scripts are...
    Downloads: 2 This Week
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  • 12
    ascii from image

    ascii from image

    Literally just an image -> ascii image generator

    Converts images/video to ascii art.
    Downloads: 1 This Week
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  • 13
    OpenOMF

    OpenOMF

    One Must Fall 2097 Remake

    OpenOMF is an open-source remake of the classic DOS fighting game "One Must Fall 2097." It aims to recreate the original game's experience with modern enhancements, making it accessible on contemporary systems while preserving its nostalgic charm.
    Downloads: 1 This Week
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  • 14
    OBS Linux Vulkan/OpenGL game capture

    OBS Linux Vulkan/OpenGL game capture

    OBS Linux Vulkan/OpenGL game capture

    obs-vkcapture is a Vulkan layer and OBS Studio plugin that enables capturing of Vulkan-rendered content in real time, solving a long-standing limitation in game recording and streaming. It works by injecting a Vulkan layer into applications, intercepting rendering calls, and redirecting frame data to OBS Studio without requiring special in-game support. This is particularly useful for modern Vulkan-based games or tools that lack native screen capture hooks. It’s lightweight, efficient, and...
    Downloads: 2 This Week
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  • 15
    NPainter

    NPainter

    Fast and simple digital painting software

    NPainter is a fast and simple digital painting software, currently a work in progress, aiming to provide essential painting tools for artists.
    Downloads: 0 This Week
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  • 16
    PHP-GLFW

    PHP-GLFW

    A fully-featured OpenGL and GLFW extension for PHP

    php-glfw brings the GLFW library to the PHP language, enabling native GUI and OpenGL windowing capabilities directly from PHP scripts. This experimental extension allows developers to create real-time graphical applications, games, and simulations in PHP—traditionally a backend web language—by binding low-level graphics and windowing APIs. It opens creative possibilities for developers more comfortable in PHP or looking to prototype desktop applications with web-style syntax. It’s ideal for...
    Downloads: 0 This Week
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  • 17

    The FreeType Project

    A free, high-quality, and portable font engine

    FreeType is written in C. It is designed to be small, efficient, and highly customizable while capable of producing high-quality output (glyph images) of most vector and bitmap font formats for digital typography. FreeType is a freely available and portable software library to render fonts.
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    Downloads: 87,557 This Week
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  • 18
    LIBPNG: PNG reference library
    Reference library for supporting the Portable Network Graphics (PNG) format.
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    Downloads: 79,002 This Week
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  • 19
    HP Linux Imaging and Printing

    HP Linux Imaging and Printing

    Hewlett-Packard's Linux imaging and printing software

    The Hewlett-Packard Linux Imaging and Printing Project provides a unified single and multi-function connectivity solution for Linux. For support and help, please visit https://launchpad.net/hplip
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    Downloads: 9,023 This Week
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  • 20
    Little cms color engine

    Little cms color engine

    An ICC-based CMM for color management

    Little cms is a color management library. Implements fast transforms between ICC profiles. It is focused on speed, and is portable across several platforms (MIT license)
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    Downloads: 5,469 This Week
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  • 21
    The OpenGL Extension Wrangler Library
    The OpenGL Extension Wrangler Library is a simple tool that helps C/C++ developers initialize extensions and write portable applications. GLEW currently supports a variety of operating systems, including Windows, Linux, Darwin, Irix, and Solaris.
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    Downloads: 3,405 This Week
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  • 22

    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: 5,489 This Week
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  • 23
    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: 3,084 This Week
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  • 24
    The Animated Portable Network Graphics (APNG) is an unofficial extension of the Portable Network Graphics (PNG) format. APNG patch provides APNG support to libpng. APNG support was merged! https://github.com/pnggroup/libpng/pull/706
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    Downloads: 4,587 This Week
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  • 25
    Tux Paint

    Tux Paint

    An award-winning drawing program for children of all ages

    Tux Paint is a free, award-winning drawing program originally created for children ages 3 to 12, but enjoyed by all! It combines an easy-to-use interface, fun sound effects, and an encouraging cartoon mascot who guides children as they use the program. You're presented with a blank canvas and a variety of drawing tools to help them be creative. Along with paintbrush, shapes and text, Tux Paint includes a "stamp" feature to add pre-drawn or photographic imagery to pictures, and a set of...
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    Downloads: 19,071 This Week
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