Showing 176 open source projects for "reference"

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  • 1
    LIBPNG: PNG reference library
    Reference library for supporting the Portable Network Graphics (PNG) format.
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    Downloads: 76,533 This Week
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  • 2
    Zstandard

    Zstandard

    Zstandard - Fast real-time compression algorithm

    Zstandard is a fast compression algorithm, providing high compression ratios. It also offers a special mode for small data, called dictionary compression. The reference library offers a very wide range of speed / compression trade-off, and is backed by an extremely fast decoder (see benchmarks below). Zstandard library is provided as open source software using a BSD license. Its format is stable and published as IETF RFC 8478. The negative compression levels, specified with --fast=#, offer faster compression and decompression speed in exchange for some loss in compression ratio compared to level 1, as seen in the table above. ...
    Downloads: 88 This Week
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  • 3
    REKCARC-TSC-UHT

    REKCARC-TSC-UHT

    Guidance for courses in Department of Computer Science and Technology

    This repository is a mirrored, community-curated set of study materials for Tsinghua University’s Department of Computer Science and Technology (the name reads like “THU-CST” reversed). It gathers course notes, labs, exam archives, and project write-ups across core CS topics, emphasizing reproducible setups and guidance for succeeding in demanding classes. The content is organized to mirror the program’s progression so students can see prerequisites and plan learning paths. Contributors...
    Downloads: 4 This Week
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  • 4
    ccls

    ccls

    C/C++/ObjC language server supporting cross references & hierarchies

    C/C++/ObjC language server supporting cross-references, hierarchies, completion, and semantic highlighting. It has a global view of the code base and supports a lot of cross-reference features, see wiki/FAQ. It starts indexing the whole project (including subprojects if exist) parallelly when you open the first file, while the main thread can serve requests before the indexing is complete. Saving files will incrementally update the index. Hierarchies, call (caller/callee) hierarchy, inheritance (base/derived) hierarchy, member hierarchy. ...
    Downloads: 5 This Week
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  • 5
    ZJU Icicles

    ZJU Icicles

    Zhejiang University Course Guide Sharing Program

    zju-icicles is a community-maintained collection of course resources for students at Zhejiang University, organized by department and course. It aggregates syllabi, lecture notes, past exams, assignments, and study guides contributed by generations of students. The catalog structure and contribution guidelines encourage consistent formatting so materials are easy to find and update. It promotes academic integrity by positioning the content as study aids rather than shortcuts, with reminders...
    Downloads: 12 This Week
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  • 6
    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.
    Downloads: 27 This Week
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  • 7
    GLFW

    GLFW

    A multi-platform library for OpenGL, OpenGL ES, Vulkan, etc.

    ...Support for multiple windows, multiple monitors, high-DPI and gamma ramps. Support for keyboard, mouse, gamepad, time and window event input, via polling or callbacks. Comes with a tutorial, guides and reference documentation, examples and test programs. Open Source with an OSI-certified license allowing commercial use. Access to native objects and compile-time options for platform specific features. Community-maintained bindings for many different languages.
    Downloads: 12 This Week
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  • 8
    Shaderc

    Shaderc

    A collection of tools, libraries, and tests for Vulkan shader

    Shaderc is a collection of tools and libraries for compiling shaders—small programs that run on GPUs—into SPIR-V, the intermediate representation used by the Vulkan graphics API. It provides both a command-line tool (glslc) and a C/C++ library (libshaderc) that wrap the functionality of glslang (the Khronos reference compiler for GLSL) and SPIRV-Tools to deliver a modern, scriptable, and efficient shader compilation workflow. The glslc compiler offers a GCC/Clang-like interface for building GLSL and HLSL shaders, making it easy to integrate into existing build systems. Meanwhile, libshaderc exposes a stable API that allows developers to programmatically compile shader strings into SPIR-V modules within graphics engines and tools. ...
    Downloads: 4 This Week
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  • 9
    BCC (BPF Compiler Collection)

    BCC (BPF Compiler Collection)

    Tools for BPF-based Linux IO analysis, networking, monitoring, etc.

    BCC is a toolkit that simplifies creating efficient kernel tracing, monitoring, and manipulation programs by leveraging extended Berkeley Packet Filters (eBPF). It includes a rich set of example tools and scripting interfaces in C, Python, and Lua. BCC makes BPF programs easier to write, with kernel instrumentation in C (and includes a C wrapper around LLVM), and front-ends in Python and lua. It is suited for many tasks, including performance analysis and network traffic control. With a...
    Downloads: 2 This Week
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  • 10
    Archbase

    Archbase

    Open source version of "Fundamentals of Computer Architecture"

    The archbase repository appears to focus on architectural patterns, foundational frameworks, or base scaffolds for building software systems (though exact intent may depend on the content). The name “archbase” suggests that it could be a baseline architecture or reference templates for projects, possibly spanning front-end, back-end, or full stacks. The repo likely provides starter code, directory structures, configuration files, core modules, and guidelines that enforce certain architectural conventions (e.g. MVC, layered architecture, plugin systems). It might include sample modules or example features to demonstrate how to build on the base architecture, showing how to extend, override, or integrate components in a consistent manner. ...
    Downloads: 0 This Week
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  • 11
    xxHash

    xxHash

    Extremely fast non-cryptographic hash algorithm

    xxHash is an extremely fast non-cryptographic hash algorithm, working at RAM speed limit. It is proposed in four flavors (XXH32, XXH64, XXH3_64bits and XXH3_128bits). The latest variant, XXH3, offers improved performance across the board, especially on small data. It successfully completes the SMHasher test suite which evaluates collision, dispersion and randomness qualities of hash functions. Code is highly portable, and hashes are identical across all platforms (little / big endian)....
    Downloads: 1 This Week
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  • 12
    Kilo

    Kilo

    A text editor in less than 1000 LOC with syntax highlight and search

    Kilo is a minimalistic terminal text editor written in C, famous for fitting its full implementation into fewer than 1,000 lines of code in a single source file. It was created by Salvatore Sanfilippo (antirez, also known for Redis) as an exercise in writing a small, self-contained editor that others can study and extend. Despite its tiny size, Kilo supports core editor features like opening and saving files, incremental search, and basic syntax highlighting. It deliberately avoids external...
    Downloads: 0 This Week
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  • 13
    MIR

    MIR

    A lightweight JIT compiler based on MIR

    ...Each local variable has a type which can be only a 64-bit integer, float, double, or long double. Each instruction has an opcode and operands. Operand can be a local variable (or a function argument), immediate, memory, label, or reference. The immediate operand can be a 64-bit integer, float, double, or long double value. There are conversion instructions for conversion between different 32- and 64-bit signed and unsigned values, float, double, and long double values. There are return instructions working on 32- and 64-bit integer values, float, double, and long double values.
    Downloads: 0 This Week
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  • 14
    Vanilla.PDF

    Vanilla.PDF

    Cross-platform SDK for creating and modifying PDF documents

    ...Vanilla.PDF supports advanced PDF features such as adding CMS (PKCS#7) digital signatures, modifying content streams and metadata, and working with encryption and permissions based on standard PDF security models. It includes tools for parsing PDF internals like cross-reference tables and objects, providing fine-grained document analysis capabilities. The project is unit-tested with continuous integration pipelines, supporting sanitizers for enhanced code quality and stability.
    Downloads: 0 This Week
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  • 15
    CLIPS Rule Based Programming Language
    CLIPS is a forward-chaining rule-based programming language written in C that also provides procedural and object-oriented programming facilities.
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    Downloads: 746 This Week
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  • 16
    CoolProp
    A cross-platform, open-source, alternative to NIST REFPROP. Based on reference-accuracy equations of state and transport property correlations for refrigerants like Water, CO2, R134a, Nitrogen, Argon, Ammonia, Air, R404a, R410a, Propane and many others. A selection of secondary working fluid properties are also available. Can also make use of REFPROP when available. In addition, calculations for Humid Air Properties based on ASHRAE RP-1485 are provided.
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    Downloads: 1,383 This Week
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  • 17
    G-Code Transformation Utility

    G-Code Transformation Utility

    Transformation utility to rotate coordinates in G-Code files

    ...For each reference point, travel CNC with a laser module and fine tune X/Y coordinates to target at the center of a drilled point (laser light will dim out). Write each of the measured point's coordinate with corresponding ideal (original) point coordinate into the reference point (text) file. Then use this utility with source G-Code file & measured reference file to perform transformation into a destination G-Code file.
    Downloads: 0 This Week
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  • 18
    Corewar is a game played vicariously through the action of assembly language programs written in a language called Redcode. Corewar is discussed in the Usenet group REC.GAMES.COREWAR; the reference implementation of this game, pMARS, is maintained here.
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    Downloads: 86 This Week
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  • 19
    FreeRTOS Real Time Kernel (RTOS)

    FreeRTOS Real Time Kernel (RTOS)

    Market leading real time kernel for 40+ microcontroller architectures

    ************************************************************************************************************************ * The primary FreeRTOS repository is now in Git. Go to https://github.com/freertos for the latest FreeRTOS kernel and libraries. * Our support has moved to https://forums.freertos.org. ************************************************************************************************************************ FreeRTOS is a market-leading real-time operating system (RTOS)...
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    Downloads: 294 This Week
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  • 20
    Nyquist

    Nyquist

    Nyquist is a language for sound synthesis and music composition.

    Nyquist is a language for sound synthesis and music composition. It is implemented in C and C++ and runs on Win32, OSX, and Linux. Nyquist combines a powerful functional programming style with efficient signal-processing primitives. Nyquist is also embedded as a scripting language in Audacity.
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    Downloads: 124 This Week
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  • 21

    Cobxref

    Cobol Cross reference tool for GnuCobol written in Cobol

    CobXRef is a Cobol cross reference tool that reads a Cobol source program and produces a file suitable for printing 'as is' that contains all variables, procedure paragraphs and section names referenced where they are defined as well as where they are used throughout the program or module as well as lists of unreferenced data names and paragraph & section names.
    Downloads: 0 This Week
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  • 22
    The Virtual Tab Window Manager. vtwm is a descendant of the reference X11 window manager, twm, enhanced to provide virtual desktops plus many other features, whilst remaining small and efficient.
    Downloads: 3 This Week
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  • 23
    Ring

    Ring

    Simple and flexible programming language for applications development

    The Ring is a practical general-purpose multi-paradigm language. The supported programming paradigms are imperative, procedural, object-oriented, declarative using nested structures, functional, meta programming and natural programming. The language is portable (MS-DOS, Windows, Linux, macOS, Android, WebAssembly, Microcontrollers, etc.) and can be used to create Console, GUI, Web, Games and Mobile applications. The language is designed to be simple, small and flexible. Ring is...
    Downloads: 9 This Week
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  • 24

    A2L Build for MCD - AutoExtractGui

    Build A2L from ELF for Automotive MCD tool (e.g. INCA)

    ... - Optionally you may describe communication specification like XCP, CCP, CAN BPS, ... - Press "Build New A2L" button to make a new A2L for the given ELF file. As a reference, you may see how this tool works with the given sample files (sample AEC, ELF, A2L). 2. ProF Builder This tool is to help people who need to make their own ProF script to FLASH their controllers through INCA. You can utilize "template" of XCP or UDS when you need to make a new ProF script. 3. INCA Instrument SDK Sample Project As a sample, I upload an Instrument project - displaying bar graph. 4. ...
    Downloads: 11 This Week
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  • 25
    Rich Address Downloader

    Rich Address Downloader

    Rich Cryptocurrency Wallet Address Downloader (Auto Update) v2.0.1

    Rich Cryptocurrency Wallet Address Download with RAD v2.0.1 (Auto Update) All Latest Bitcoin Wallet , Latest All Ethereum Address Wallet and Tron , Dash , Dogecoin , Litecoin on Rich Address Downloader (RAD)
    Downloads: 10 This Week
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