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

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  • 1
    Library and command line tools for XZ and LZMA compressed files
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    Downloads: 87,031 This Week
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  • 2
    BlueDS
    BlueDS is a library that contains the implementation of frequently used data structures and algorithms in Computer Science. BlueDS is designed to be fast and efficient.
    Downloads: 0 This Week
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  • 3
    Modified NCBI Toolkit for Windows, added contextual BLAST algorithm.
    Downloads: 0 This Week
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  • 4
    FPM - Fixed Point Math substitutes expensive floating point operations by much cheaper integer arithmetics. Use this library in your plain C (gcc) projects if you like.
    Downloads: 0 This Week
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  • 5
    An implementation of "k-Way Merging" as described in "Fundamentals of Data Structures" by Horowitz/Sahni. NOTE: This project has been moved to http://code.google.com/p/kway/
    Downloads: 0 This Week
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  • 6
    A public domain C data structure library, with an emphasis on collections. Currently includes dynamic arrays and lists.
    Downloads: 0 This Week
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  • 7
    This Project implements the mergesort algorithm in a MPICH2 (parallel programming -) environment.
    Downloads: 0 This Week
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  • 8
    MicroThread is a minimal Borland/Turbo C multi-threading library for DOS programs. It consists of a pre-emptive scheduling kernel which dispatch threads on DOS INT 8, and has support for semaphores, critical sections and inter-thread messages.
    Downloads: 0 This Week
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  • 9

    Moving Target Detection 2D

    Moving target detection in 2D using Kalman Filter

    Moving target detection in 2D using Kalman Filter written in JS for demo purposes.
    Downloads: 0 This Week
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  • 10
    Origin is a evolver for the programming game Corewars. Part of this project is a modified MARS (Memory Array Redcode Simulator) written in C especialy for evolvers. With SWIG its going to be very easy to use in different languages.
    Downloads: 0 This Week
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  • 11
    Quine-McCluskey minimizer

    Quine-McCluskey minimizer

    simplifies boolean functions with Quine-McCluskey algorithm

    Small console application written in C to simplify boolean functions with the Quine-McCluskey algorithm
    Downloads: 0 This Week
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  • 12
    Raiden block cipher: An extremely lightweight and fast block cipher, developed using genetic programming, with the intention to be an alternative to TEA. This cipher is as fast as TEA, and without many of its known weaknesses.
    Downloads: 0 This Week
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  • 13
    StoneValley

    StoneValley

    An algorithm library written in plain C.

    A library that collect several algorithms and data structures.
    Downloads: 0 This Week
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  • 14
    A simple Ternary Search tree implementation, which also includes delete and getting common prefixes operation. I've tested it on Linux WindRiver 1.4 box with g++. Please report bugs at kunalekawde2002@yahoo.com
    Downloads: 0 This Week
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  • 15
    This small C package is made of an independent AVL tree library, and of an extension module for Python that builds upon it to provide objects of type 'avl_tree' in Python, which can behave as sorted containers or sequential lists.
    Downloads: 0 This Week
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  • 16
    Fast cython implementation of trie data structure for Python. Development is inactive, but moved to: http://github.com/martinkozak/cytrie.
    Downloads: 0 This Week
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  • 17
    Interface to deal with graphs ( Adjacency list representation ) written in C... Only basic operations available now, soon to be more =) Small project to college, not much implemented yet...
    Downloads: 0 This Week
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  • 18
    A simple (~20 line python) O(n^6) algorithm for the traveling salesman problem that seems to do pretty well for most graphs; so well that I have not been able to find a graph which it does optimally solve. Those with spare cycles are welcome to help out.
    Downloads: 0 This Week
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  • 19

    libcpr

    Public domain backport of the core C++11 standard library to C.

    Backport of C++11's std::string and std::vector to C. Other containers such as std::list, std::map, and std::set are in the works.
    Downloads: 0 This Week
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  • 20

    librfc

    Public domain implementations of core RFC specifications for C/C++.

    librfc is a C/C++ shared library containing public domain implementations of core RFC data structures and algorithms written in C++11.
    Downloads: 0 This Week
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  • 21

    qtbitreverse_demo

    recursive calculation of Bitreverse

    small QT Programm for Testing my recursive Algorithm for calculation the bitreverse of a single number in a series with Length: 2^X with X=Number of Bits
    Downloads: 0 This Week
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  • 22
    tiny-DSP library

    tiny-DSP library

    small and fast library dealing with signal processing

    Tiny-DSP library contains c sources of a fast, tiny, portable and generic FFT (Fast Fourier transform) and inverse FFT. Supported are all power of two sizes (like 2,4,8,16,32,...) for one and two dimensional floating point arrays.
    Downloads: 0 This Week
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