Showing 247 open source projects for "re-tools"

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  • 1
    cnc-ddraw

    cnc-ddraw

    GDI, OpenGL and Direct3D 9 re-implementation of the DirectDraw API

    GDI, OpenGL and Direct3D 9 re-implementation of the DirectDraw API for classic games for better compatibility with Windows 2000, XP, Vista, 7, 8, 10, 11, Wine (Linux/macOS) and Virtual Machines. cnc-ddraw can fix compatibility issues in older games, such as black screen, bad performance, crashes or defective Alt+Tab. Supports Windows 2000, XP, Vista, 7, 8, 10, 11, Wine (Linux/macOS) and Virtual Machines.
    Downloads: 361 This Week
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  • 2
    WebP Codec

    WebP Codec

    Library to encode and decode images in WebP format

    libwebp is the reference codec library for Google’s WebP image format, providing both encoding and decoding along with command-line tools. It supplies cwebp to compress images into WebP and dwebp to decompress them back, making it easy to test quality/size trade-offs across presets and tuning parameters. 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. ...
    Downloads: 46 This Week
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  • 3
     MJPEG Tools
    Mjpeg tools is a suite of programs which support video capture, editing, playback, and compression to MPEG of MJPEG video. Edit, play and compression software is hardware independent. Capture supports MJPEG hardware (Buz,DC10+ etc). and V4l2 devices.
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    Downloads: 212 This Week
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  • 4
    Pix

    Pix

    Image management application

    ...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 make color, hue, saturation, lightness and contrast adjustments, as well as a number of advanced tools such as slide shows, converting image format and more.
    Downloads: 17 This Week
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  • 5
    eSpeak NG

    eSpeak NG

    eSpeak NG is an open source speech synthesizer

    ...The software supports adjustable voices, speaking rates, pitch, and pronunciation characteristics. It can produce spoken output in real time or export synthesized speech to WAV files. eSpeak NG also provides phoneme translation tools and supports Speech Synthesis Markup Language for controlling speech output. Its command-line interface, shared library, and Windows SAPI5 integration enable use in accessibility tools and other applications. It supports Linux, Windows, macOS, Android, and additional platforms.
    Downloads: 5 This Week
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  • 6
    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.
    Downloads: 1 This Week
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  • 7
    Praat

    Praat

    Doing Phonetics By Computer

    ...It supports acoustic inspection through waveforms, spectrograms, pitch tracks, formants, intensity, and related phonetic measurements. Praat also includes scripting tools for automating repetitive analysis, building custom workflows, and processing larger speech datasets. The project is especially useful for academic phonetics, speech science, language documentation, pronunciation research, and publication-quality speech visualization.
    Downloads: 24 This Week
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  • 8

    Panorama Tools

    The cross-platform library behind the Hugin photo stitcher

    The cross-platform library behind the Hugin photo stitcher
    Downloads: 65 This Week
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  • 9
    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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    Endpoint Management with Remote Control Built In

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  • 10
    LightZone

    LightZone

    LightZone is a photo editor for Mac, Windows, and Linux

    ...It provides a nondestructive editing workflow that preserves original photographs while allowing adjustments to be modified later. Instead of conventional layers, the software uses a customizable stack of editing tools. Users can adjust exposure, color balance, sharpening, noise reduction, and tonal relationships. Its ZoneMapper tool provides precise control over brightness ranges using concepts inspired by photographic zone systems. LightZone also supports image ratings, reusable styles, and batch processing. Available for Windows, macOS, and Linux, it offers professional photo editing capabilities with high-precision color processing.
    Downloads: 0 This Week
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  • 11
    OBS Linux Vulkan/OpenGL game capture

    OBS Linux Vulkan/OpenGL game capture

    OBS Linux Vulkan/OpenGL game capture

    ...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 actively maintained by the community.
    Downloads: 2 This Week
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  • 12
    AudioNoise

    AudioNoise

    Random digital audio effects

    AudioNoise is an experimental collection of digital audio effects created by Linus Torvalds while learning the fundamentals of digital signal processing. The project grew out of work on a digital guitar pedal but currently emphasizes software simulation over hardware development. Its effects intentionally use simple techniques such as IIR filters and delay loops rather than heavy FFT processing or machine-learning models. Processing generally follows a single-sample-in, single-sample-out...
    Downloads: 1 This Week
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  • 13
    A whole bunch of utilities for primitive manipulation of graphic images. Wide array of converters from one graphics format to another. E.g. from g3 fax format to jpeg. Many basic graphics editing tools such as magnifying and cropping.
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    Downloads: 392 This Week
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  • 14
    FFmpegAndroid

    FFmpegAndroid

    FFmpeg implements video cropping, watermarking, transcoding

    ...It integrates OpenGL-based filters and GPUImage effects to enhance video processing performance and visual output. Beyond implementation, the repository includes detailed documentation on FFmpeg commands, JNI integration, and multimedia protocols, offering both practical tools and educational resources. With support for decoding, encoding, and rendering pipelines, it acts as a full-stack reference for Android multimedia engineering.
    Downloads: 0 This Week
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  • 15
    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. The API is straightforward, allowing applications to integrate AVIF support natively — creating, decoding, compressing, or decompressing images programmatically. Recent developments have added experimental support for HDR gain maps, improved color-space handling (including wide color gamut and high bit depth), and better quality tuning modes for encoding, making libavif a cutting-edge tool for high-quality image compression.
    Downloads: 0 This Week
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  • 16
    dktools - Dirk Krauses tools

    dktools - Dirk Krauses tools

    Drawing, graphics conversion, software development, administration.

    GUI and command line tools for advanced users and administrators: wxdkdraw - Minimalistic drawing application for use with LaTeX, wxd2lat - Convert wxdkdraw files to LaTeX, bitmap2pp - Convert PNG/JPEG/TIFF/NetPBM to (E)PS or PDF, fig2lat - Convert XFig files to LaTeX, htmlbook - publish HTML like a book, dkcpre - C debugging and tracing preprocessor, itadmin - manage your IT using a MySQL/MariaDB database, dk-fic - file integrity checker, dk-ls - list files, output column order is configurable, dk-cat, dk-sort, dk-lines - text tools for *x and Windows, dk-send, dk-recv - transmit data stream, dk-t2h, dk-t2l - text to HTML or LaTeX conversion.
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    Downloads: 34 This Week
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  • 17
    Tux Paint

    Tux Paint

    An award-winning drawing program for children of all ages

    ...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 "magic tools" that provide filter effects (like blur, tint and waves) and interesting drawing tools (like train tracks, bubbles and grass). Tux Paint includes a collection of "starter" images, both coloring-book style and photo-realistic, and a large collections of stamps are available as a separate download. ...
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    Downloads: 20,917 This Week
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  • 18

    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: 6,686 This Week
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  • 19
    Signal Ranger DSP Linux Support Tools
    This project delivers Linux support (USB driver and Tools) for a Digital Signal Processor (DSP) cards of the Signal Ranger series, see http://www.softdb.com/product_dsp.shtml for details) connected to a Linux host via USB.
    Downloads: 0 This Week
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  • 20
    libmp4tag

    libmp4tag

    MP4 tagging library

    An MP4 tagging library where all tags can be accessed and modified. Any tags, unknown tags or custom tags are never lost when the audio or video file is updated.
    Downloads: 2 This Week
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  • 21
    BRL-CAD

    BRL-CAD

    Open Source Solid Modeling CAD

    BRL-CAD is a powerful cross-platform constructive solid geometry solid modeling system that includes an interactive geometry editor, ray-tracing for rendering & geometric analyses, network distributed framebuffer support, image & signal-processing tools.
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    Downloads: 238 This Week
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  • 22
    RSPaspi
    Win32 DLL and library that in the futur will burn/rip/test/fix/erase CD-R/CD-RW/DVD-RAM/DVD-R/DVD-RW/DVD+R/DVD+RW/DVD+R DL/BD-R/BD-RE , and eventually it is also a documentation and or tutorial to Adaptec ASPI and ISO 9660
    Downloads: 0 This Week
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  • 23
    Teem

    Teem

    Tools to process and visualize scientific data and images

    Teem is a set of C libraries for manipulation, measurement, and visualization of structured scientific data. Includes N-dimensional image I/O and processing, volume rendering, diffusion tensor processing, and more. Latest code via git clone http://git.code.sf.net/p/teem/teem.git . Join us at https://discord.gg/xBBqZGXkF7
    Downloads: 43 This Week
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  • 24

    littleutils

    Various small and useful command-line utilities

    The littleutils include duplicate file finders (repeats, repeats.pl, repeats.py), image optimizers (opt-jpg, opt-png, opt-gif, recomp-jpg), file rename tools (lowercase, uppercase, pren), archive recompressors (to-gzip, to-bzip2, to-bzip3, to-7zip, to-lzma, to-lzip, to-xz), a tempfile utility (tempname), file property tools (filedate, filemode, filenode, fileown, filesize, and lrealpath), and others. See the README file for more details.
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    Downloads: 12 This Week
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  • 25
    The Sound Description Interchange Format (SDIF) is an established standard for the interchange of sound descriptions and analysis data. This project provides libraries, SDIF (in C) and Easdif (in C++), tools, and wrappers to read and write SDIF files.
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    Downloads: 2 This Week
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