Showing 941 open source projects for "c library"

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    FluidSynth

    FluidSynth

    Software synthesizer based on the SoundFont 2 specifications

    FluidSynth is a real-time software synthesizer based on the SoundFont 2 specifications and has reached widespread distribution. FluidSynth itself does not have a graphical user interface, but due to its powerful API several applications utilize it and it has even found its way onto embedded systems and is used in some mobile apps.
    Downloads: 39 This Week
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  • 2
    WebP Codec

    WebP Codec

    Library to encode and decode images in WebP format

    ...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: 24 This Week
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  • 3
    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: 14 This Week
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  • 4
    PJSIP

    PJSIP

    PJSIP project

    PJSIP is a free and open-source multimedia communication library written in C language implementing standard-based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. It combines signaling protocol (SIP) with a rich multimedia framework and NAT traversal functionality into high-level API that is portable and suitable for almost any type of system ranging from desktops, and embedded systems, to mobile handsets.
    Downloads: 7 This Week
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  • 5
    LIBPNG: PNG reference library
    Reference library for supporting the Portable Network Graphics (PNG) format.
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    Downloads: 113,306 This Week
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  • 6
    libavif

    libavif

    Library for encoding and decoding .avif files

    libavif is a portable, open-source C library that implements encoding and decoding for the AVIF (AV1 Image File Format), offering a robust, production-ready way to work with AVIF images across platforms. It supports all AV1-supported YUV formats and bit-depths, including alpha (transparency), and includes command-line tools (avifenc and avifdec) to easily convert to/from AVIF from common image formats like JPEG, PNG, or Y4M.
    Downloads: 13 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: 13 This Week
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  • 8
    mpv

    mpv

    Command line video player

    ...While mpv strives for minimalism and provides no real GUI, it has a small controller on top of the video for basic control. mpv has an OpenGL, Vulkan, and D3D11 based video output that is capable of many features loved by videophiles, such as video scaling with popular high quality algorithms, color management, frame timing, interpolation, HDR, and more. mpv can leverage most hardware decoding APIs on all platforms. Hardware decoding can be enabled at runtime on demand. A straightforward C API was designed from the ground up to make mpv usable as a library and facilitate easy integration into other applications. mpv is under active development, focusing on code refactoring and cleanups.
    Downloads: 63 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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  • 10
    miniaudio

    miniaudio

    Audio playback and capture library written in C,

    miniaudio is written in C with no dependencies except the standard library and should compile cleanly on all major compilers without the need to install any additional development packages. All major desktop and mobile platforms are supported. miniaudio gives you complete flexibility. With the low-level API, just initialize a connection to the device and send or receive raw audio data.
    Downloads: 5 This Week
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  • 11
    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: 2,926 This Week
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  • 12
    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: 10 This Week
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  • 13
    FFmpegCommand

    FFmpegCommand

    Command library suitable for Android. It implements audio and video

    FFmpegCommand is a graphical utility designed to simplify the generation and execution of FFmpeg commands for multimedia processing tasks. It provides an interface where users can configure parameters such as codecs, bitrates, and formats without manually writing command-line instructions. The tool dynamically builds FFmpeg commands based on user selections, making complex workflows more accessible. It supports common operations such as transcoding, trimming, and format conversion....
    Downloads: 8 This Week
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  • 14
    ESP8266Audio

    ESP8266Audio

    Arduino library to play MOD, WAV, FLAC, MIDI, RTTTL, MP3

    Arduino library for parsing and decoding MOD, WAV, MP3, FLAC, MIDI, AAC, and RTTL files and playing them on an I2S DAC or even using a software-simulated delta-sigma DAC with dynamic 32x-128x oversampling. ESP8266 is fully supported and most mature, but ESP32 is also mostly there with built-in DAC as well as external ones. For real-time, autonomous speech synthesis, check out ESP8266SAM, a library that uses this one and a port of an ancient format-based synthesis program to allow your...
    Downloads: 1 This Week
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  • 15

    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: 95,176 This Week
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  • 16

    opencore-amr

    Audio codecs extracted from Android Open Source Project

    Library of OpenCORE Framework implementation of Adaptive Multi Rate Narrowband and Wideband (AMR-NB and AMR-WB) speech codec. Library of VisualOn implementation of Adaptive Multi Rate Wideband (AMR-WB) encoder and Advanced Audio Coding (AAC) encoder. Modified library of Fraunhofer AAC decoder and encoder.
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    Downloads: 8,402 This Week
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  • 17
    Library implementation of ECMA-234 API for the generation of enhanced metafiles.
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    Downloads: 5 This Week
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  • 18
    LAME (Lame Aint an MP3 Encoder)

    LAME (Lame Aint an MP3 Encoder)

    A high quality MP3 encoder

    LAME is an educational tool to be used for learning about MP3 encoding. The goal of the LAME project is to improve the psycho acoustics, quality and speed of MP3 encoding. Note: we provide source code only!
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    Downloads: 35,046 This Week
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  • 19
    Super Audio CD Decoder
    Super Audio CD Decoder input plugin for foobar2000. Decoder is capable of playing back Super Audio CD ISO images, DSDIFF, DSF and DSD WavPack files. DSD(DoP) and PCM output modes. Separate DSD Processor/DSD Converter plugins for track extraction into DSD/DST encoded files.
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    Downloads: 3,860 This Week
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  • 20
    mpg123
    This is the fast and Free (LGPL license) real time MPEG Audio Layer 1, 2 and 3 decoding library and console player. It uses floating point or integer math, along with several special optimizations (3DNow, SSE, ARM, ...) to make it most efficient.
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    Downloads: 6,792 This Week
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  • 21

    libmtp

    Library to access MTP players (Mp3 players, Android Phones)

    libmtp is a LGPL library implementation of the Media Transfer Protocol (MTP), a superset of the Picture Transfer Protocol (PTP).
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    Downloads: 536 This Week
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  • 22
    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: 3,408 This Week
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  • 23
    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: 7,907 This Week
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  • 24
    WildMidi is a midi processing library and a midi player using the gus patch set.
    Downloads: 2 This Week
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  • 25
    A lightweight library to handle the sending and receiving of messages according to the Open Sound Control (OSC) protocol.
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    Downloads: 255 This Week
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