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

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  • 1
    UltraDefrag

    UltraDefrag

    Increase your system performance with this easy to use tool

    Please note, here you can find the latest open source release of UltraDefrag (7.1.4). The most recent UltraDefrag release (15.0.0) can be found on our official website: https://ultradefrag.net UltraDefrag is a disk defragmenter for Windows, which supports defragmentation of locked system files by running during the boot process. It is easy to use without any complicated scripting or a huge load of configuration settings. You can filter the files processed by size, number of fragments, file name and path. You can terminate the process early by specifying an execution time limit.
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    Downloads: 1,250 This Week
    Last Update:
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  • 2
    Nikkho

    Nikkho

    Javier Gutiérrez Chamorro (Guti) Open source projects

    Javier Gutiérrez Chamorro (Guti) Open source projects Author's website: https://www.javiergutierrezchamorro.com
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    Downloads: 870 This Week
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  • 3
    AI File Sorter

    AI File Sorter

    Local AI file organization with categorization and rename suggestions

    AI File Sorter is a cross-platform desktop application that uses AI (local LLMs run on your computer) to organize files and suggest meaningful file names based on real content, not just filenames or extensions. The app can analyze images locally and propose descriptive rename suggestions (for example, IMG_2048.jpg → clouds_over_lake.jpg). It can also analyze document text to improve categorization and renaming. Supported formats include PDF, DOCX, XLSX, PPTX, ODT, ODS, ODP, and common text files. For supported audio and video files, AI File Sorter can read embedded metadata (such as ID3, Vorbis, and MP4 tags) to suggest normalized names like year_artist_album_title.ext. AI analysis runs read-only, and all suggestions must be reviewed before being applied. AI File Sorter can run fully offline using local models like Mistral or LLaMA, so files and metadata stay on your device unless you configure a remote endpoint.
    Downloads: 232 This Week
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  • 4
    fHash

    fHash

    A files hash calculator for Windows and macOS.

    An open source files hash calculator for Windows and macOS. * MD5, SHA1, SHA256 and SHA512. * Drag & drop. * Integrated with context menu in Explorer/Finder. * Support Windows 7 and later. * Support macOS 13 and later, with universal binary. * Support Dark Mode. * English and Simplified Chinese UI. The icon "希" is from hash in Chinese "哈希".
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    Downloads: 18 This Week
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  • 5
    fat_imgen

    fat_imgen

    FAT floppy image generator.

    fat_imgen is a utility you can use to create and modify FAT12 floppy images with.
    Downloads: 6 This Week
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  • 6
    Hifito

    Hifito

    Hide or show hidden files and extensions using a hotkey or tray menu.

    Hifito is a small utility for Windows, which allows to quickly toggle the "Show hidden files" and "Hide extensions for known file types" Explorer settings. The utility is written in C using only the win32 API, so it's really fast and lightweight.
    Downloads: 1 This Week
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  • 7
    Simplified VFD
    A virtual floppy drive that mounts image files (*.img) as new browseable computer resources. Tested from WinXP (32bit) to Win7 (64bit). Derived from: https://sourceforge.net/projects/vfd/
    Downloads: 1 This Week
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  • 8
    A set of tools for querying and modifying the ACL's (access control lists) and ACE's (access control entries) of files, services, registry keys, printers, processes, threads, timers, mutexes, tokens, events, and semaphores in Windows 2000 and later
    Downloads: 0 This Week
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  • 9
    Alcogas is a cross platform open source software which allows to write an image created by the 'Alcohol 120%' on a CD-R/RW disk.
    Downloads: 0 This Week
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  • 10
    Copy Handler's v2 engine project. Project contains a library and a daemon/service to allow fast file transfers(with additional features-pausing/resuming,background transfers,...) between different storage medias for use in other programs.
    Downloads: 0 This Week
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  • 11
    The count program is a very simple utility that recursively counts the size of directories, optionally producing a per-directory breakdown of usage.
    Downloads: 0 This Week
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  • 12
    DELOLD is a command line tool used to delete old files with a create date older then a set amount of days. It can do verbose and rescursive with any path given. Perfect for Scheduled and/or batch file jobs.
    Downloads: 0 This Week
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  • 13

    DuplicadosEraser2

    Search, find and manage duplicate files and folders with this program

    It compares files and folders, even inside compressed archives. When done, you can send the duplicate files or folders to the recycle bin, another folder or erase them, or save the list to work later.
    Downloads: 0 This Week
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  • 14
    Program to find, rename or delete identical files/duplicates.
    Downloads: 0 This Week
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  • 15
    Far Manager

    Far Manager

    Text mode file and archive manager for Windows

    Far Manager is a program for managing files and archives in Windows operating systems. Far Manager works in text mode and provides a simple and intuitive interface for performing most of the necessary actions: viewing files and directories; editing, copying and renaming files; and many other actions. Far Manager has a multi-language, easily configurable interface. File system navigation is made easier through the use of color highlighting and sort groups. The functionality of Far Manager is greatly extended by external DLL modules — plugins (made possible by a special set of interfaces — the Plugins API). For example: archive support, FTP client, temporary panel and network browser are all implemented as plugins included in the standard distribution of Far.
    Downloads: 0 This Week
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  • 16
    fbreak is a console application that allows you to break a large file into multiple smaller files (ie, for distribution on floppy disks).
    Downloads: 0 This Week
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  • 17
    I have developed a filesplitter in C language over windows platform using lowlevel programming and basic header files.It can split file of any length and of any format into any no. of splits and can again put them together.
    Downloads: 0 This Week
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  • 18
    This project tries to create a library that provides file notification to java. So that the polling of files and directories is no longer needed to monitor changes to the filesystem.
    Downloads: 0 This Week
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  • 19

    JoseBackupTool

    Synchronize two folders updating and deleting as needed

    Simply select origin and destination folders and JoseBackupTool will maintain a backup copy of origin folder into destination folder copying, deleting and updating only as needed. Enjoy it
    Downloads: 0 This Week
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  • 20
    LC's Finder

    LC's Finder

    A lightweight, cross-platform image manager

    LCFinder (LC's Finder) is an image resource management tool that you can use to browse images, easily manage images, or search for images you want. As with the author's other projects, the naming is simple, it begins with LC, and the following Finder is referenced from the Finder in Mac OS.
    Downloads: 0 This Week
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  • 21
    NOPUnRar is a free utility to extract .rar archives for the busy downloader.
    Downloads: 0 This Week
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  • 22

    OpenFSL

    An open source filesystem library

    OpenFSL is an os-independent file system library. It provides file system control with customizable disk control. Currently supports MBR and FAT32 partially.
    Downloads: 0 This Week
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  • 23
    This project is an attempt to create a wrapper between filesystem code for one operating system and compile it for another. For example, a Linux filesystem driver could work natively in Windows if the project goes as planned.
    Downloads: 0 This Week
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  • 24
    Simple command-line file splitter. Split a (binary) file into a given number of slices, or slices of a given size. Output files are automatically numbered, and can be concatenated ("copy", "cat") to recover the original file. Large files supported.
    Downloads: 0 This Week
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  • 25
    Win2fs is a Windows 2000 File system driver that lets you access Linux Ext2 filesystems from within Windows. Ext2 volumes are automatically mounted and made available to all the other running programs just like regular Windows volumes.
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    Downloads: 0 This Week
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