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

  • Locstatt Safety Management System Icon
    Locstatt Safety Management System

    For companies searching for a powerful HSSE management software

    Locstatt is an affordable, totally integrated Health, Safety, Security, and Environmental (HSSE) management software system. We gather and compress on-site data encompassing your entire Safety Management System, and deliver it to one simple dashboard.
  • Enterprise and Small Business CRM Solution | Clear C2 C2CRM Icon
    Enterprise and Small Business CRM Solution | Clear C2 C2CRM

    Voted Best CRM System with Top Ranked Customer Support. CRM Management includes Sales, Marketing, Relationship Management, and Help Desk.

    C2CRM consists of four modules that integrate to provide a comprehensive CRM solution: Relationship Management, Sales Automation, Marketing Automation, and Customer Service. Only buy what each user needs.
  • 1
    Duplicate Files Finder is a cross-platform application for finding and removing duplicate files by deleting, creating hardlinks or creating symbolic links. A special algorithm minimizes the amount of data read from disk, so the program is very fast.
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    Downloads: 625 This Week
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  • 2
    Swiss File Knife

    Swiss File Knife

    One hundred command line tools in a small and portable binary.

    Create zip files, extract zip files, replace text in files, search in files using expressions, stream text editor, instant command line ftp and http server, send folder via network, copy folder excluding sub folders and files, find duplicate files, run a command on all files of a folder, split and join large files, make md5 checksum lists of files, remove tab characters, convert CR/LF, list newest or biggest files of a folder, compare folders, treesize, show first or last lines of a file, find filenames fast using index files, rename many files using expressions, copy part of a file, change times of a file, set file time from filename, print colored text to terminal, convert csv to tab separated, download files from web, send http or udp requests, print tcp or udp traffic, create hexdump of files, join many text files into one, list nested .zip .tar .tar.gz .tar.bz2 archive contents. Fully portable, for USB stick, without installation. For Windows, Linux and Mac OS/X.
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    Downloads: 424 This Week
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  • 3
    MediaFileDuplicateFinder

    MediaFileDuplicateFinder

    MediaFileDuplicateFinder finds duplicated video, image, & audio files

    Media File Duplicate Finder finds duplicated video and image files based on similarity. Finds duplicates which have different resolution, frame rate, watermark, and video file tags. It's a cross-platform program that supports Windows, Linux and Mac-OS. Please use below link to report bugs, feature-request, or questions. https://github.com/David-Maisonave/MediaFileDuplicateFinder/issues/new/choose For more information, visit the following Wiki page: https://github.com/David-Maisonave/MediaFileDuplicateFinder/wiki
    Downloads: 63 This Week
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  • 4
    GDuplicateFinder

    GDuplicateFinder

    GDuplicateFinder - A FREE Groovy way to find file duplicates!

    Unlike other duplicate finders such as Easy Duplicate File Finder, Auslogics Duplicate File Finder, MindGems Fast Duplicate File Finder, Duplicate Cleaner, DupFiles and others, GDuplicateFinder is a FREE cross-platform application, with the ability to search among not just local files, but files on the network, such as a Windows or a Linux share using VFS library. Taking advantage of Groovy facilities and GPars power to process in parallel, GDuplicateFinder will help you get rid of those duplicates you always wanted to dispose in an easy and friendly way. Looking for translators to translate the app! If you'd like to help me, please create a GitHub Issue here (https://github.com/guicamest/GDuplicate-Finder/issues) mentioning the language so that I get notified. Thanks in advance <3 If you want to help me continue improving this app, donate some money through paypal! https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=fezuqqg9t6j6y
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    Downloads: 32 This Week
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  • Manage your IT department more effectively Icon
    Manage your IT department more effectively

    Streamline your business from end to end with ConnectWise PSA

    ConnectWise PSA (formerly Manage) allows you to stop working in separate systems, and helps you build a more profitable business. No more duplicate data entries, inefficient employees, manual invoices, and the inability to accurately track client service issues. Get a behind the scenes look into the award-winning PSA that automates processes for each area of business: sales, help desk, support, finance, and HR.
  • 5
    VisiPics

    VisiPics

    Find and/or delete duplicate photos on Windows

    VisiPics is a free program that finds and deletes duplicate images on Windows. It works by processing folders you specify and searching for groups of duplicate images. You can use three different filters to find duplicate images: Strict: Returns almost identical results Basic: Returns results with more differences Loose: Returns results with much more differences
    Downloads: 30 This Week
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  • 6
    Duplicate File Finder 2.2

    Duplicate File Finder 2.2

    A program used to find duplicate files on your computer.

    The Duplicate File Finder by Autosofted is a free tool used to search a specific folder for any duplicate files that the folder and it's sub-folders may have. After detecting the duplicate files, the user then has the option to simply delete all those extra unnecessary files. Thus freeing up lots of hard-drive space.
    Downloads: 22 This Week
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  • 7
    DuplicaErase
    Introducing a lightweight duplicate file remover tool for Windows. With this software, you can efficiently identify duplicate files, determine the amount of storage occupied by these files, and seamlessly remove them. Free up valuable disk space by eliminating redundant copies and optimizing your storage usage. Some Antivers may show false virus alert ignore it , this tool delete files so i think thats why they think this is virus. dont use this tool on "C" drive or where you install your windows .
    Downloads: 16 This Week
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  • 8

    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: 3 This Week
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  • 9
    Antares Duplicate File Finder

    Antares Duplicate File Finder

    Program for finding duplicate files

    Antares Duplicate File Finder is a convenient and flexible program for finding duplicate files
    Downloads: 2 This Week
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  • Cloudflare secures and ensures the reliability of your external-facing resources such as websites, APIs, and applications. Icon
    It protects your internal resources such as behind-the-firewall applications, teams, and devices.
  • 10
    Command line duplicate file finder for Linux machines, which finds the duplicate files by its content, name & directories by its name. Easy usage and efficient too.
    Downloads: 2 This Week
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  • 11

    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.
    Downloads: 3 This Week
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  • 12
    DupMaster

    DupMaster

    Get rid of duplicate files on your Mac

    A Powerful Duplicate File Finder and Cleaner for Mac OS X.
    Downloads: 2 This Week
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  • 13

    dupliFinder

    Find duplicate files on your system

    dupliFinder is a app that searches your computer for duplicate files by compairing the MD5 sum of each file. You then have the option of deleting any duplicate files found. Great for collections of MP3s, images etc.. Runs on Windows & Linux with Java 1.5
    Downloads: 2 This Week
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  • 14
    DUFF is (will be) a tool for Windows used to find and process duplicate files on a computer file system and/or network. It will have numerous built-in and plugin-based file comparison layers, duplicate markers, and fileset processers.
    Downloads: 1 This Week
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  • 15
    DupStat

    DupStat

    Duplicate/unique file analyzer with at-a-glance statistics.

    This tool helps find duplicate files and folders across two selected directories. It can answer questions like, "What files are on my thumb drive that are not on my PC", and can help synchronize different backup copies of a folder structure. It helps you merge backups without accidentally deleting unique files. DupStat compares files across two selected directories (and their subdirectories). It shows duplication statistics across the selected directories to help you see where entire directories are duplicated. Version 0.5 has several new features, including Action menu with copy/move/delete capability, drag-and-drop capability to specify search directories on either side, file counts in the file pane, tooltips for most UI controls and options, directory swap and copy buttons, cleaned up UI options, Several updates and refinements are also included; see the change history section of the Readme file.
    Downloads: 1 This Week
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  • 16

    Duplicate File Finder

    Find duplicates of a specified file

    When you've been using your computer for quite a long time, often you end up duplicating your files and you don't even know about them. Duplicate File Finder is a Linux/Unix utility than scans your hard drive for finding duplicates of a given file.
    Downloads: 1 This Week
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  • 17
    Simple Directory Toolbox

    Simple Directory Toolbox

    Portable collections of directory tools (Unhide etc)

    Hi, simple directory tools is another portable software i made. I made this to help people whom work with directory/files using longer method (cmd, etc). I plan to create some tools, but because it's still alpha, there are still few finished. Still, you can use it. 1. Unhidder Finds hidden/Superhidden files/folders and restore it to normal state 2. Duplicate file finder Find duplicated files, and easily removes it 3. Space analyzer Analyze folder, list which file/folder takes how much size in disk Here is the virustotal result https://www.virustotal.com/en/file/a5b742d657293c0563364e28545548afd45501e5ed9a72e69875177e757ace1e/analysis/1391693986
    Downloads: 1 This Week
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  • 18

    qlsdup

    GUI based lightweight duplicate file finder / remover.

    Simple GUI based lightweight duplicate file finder and remover. Configurable file search and preview (via external tools) option for file data. No command-line interface available! This is basically a reimplementation of dupfinder as: it doesn't compile on my computer, the executable won't work either, the projects seems dead and I didn't wanna work through the original code. So Look'n'Feel should be somewhat the same, though some changes have been made. Algorithm is simple and suitable for large file sets with few differences: basic set of duplicate candidates is determined by file size, then candidates are compared byte-wise. So for files which don't start to differ by growing at the tail it reduces read operations greatly compared to hash-based comparision (i.e. test case: 40GB of files, 16GB RAM, many differences: initial compare (uncached by OS) around 300sec, subsequent compare (relevant file parts cached by OS) ca. 2sec) Note: this program is not related to lsdup
    Downloads: 1 This Week
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  • 19

    CloneManager

    Allow to find duplicate files

    Two goals : Allow to find duplicated files on computer / find files which haven't been backed up yet
    Downloads: 1 This Week
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  • 20
    Duplicate file finder app inspired by DUFF. Written in .Net 2.0 . Cross platform . Runs on Linux and Windows. Supports different localizations.
    Downloads: 0 This Week
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  • 21
    DupFinder

    DupFinder

    Free Duplicate File Finder and CleanUp Tool for Windows© XP/Vista/7/8

    AFDP can help you free up hard drive space by detecting and removing duplicate files. Duplicate files have exactly the same contents regardless of their name, date, time and location. Also, AFDP is able to find files that are not exactly identical, but have the same file name. Perhaps you have different versions of a file and you want to find all of them and remove the older versions. AFDP can also find zero length files. These are files that have no content.
    Downloads: 0 This Week
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  • 22

    Duplicate File Fixer 1.00g

    Find Duplicate Files and Manage Them

    This software finds duplicate files across all directory levels inside a given folder.
    Downloads: 0 This Week
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  • 23

    Duplicate File Hunter

    Find Duplicate Files on your computer quickly and easily.

    Find Duplicate Files on your computer quickly and easily.
    Downloads: 0 This Week
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  • 24

    Fast Duplicate File Finder

    Superfast, lightweight, simple duplicate file finder

    A simple, super-fast, lightweight duplicate file finder written in java. System requirement: Java 1.6+ 20 KB of disk space (lol :D)
    Downloads: 0 This Week
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  • 25
    (AYDUFF)a yet duplicate file finder.
    Downloads: 0 This Week
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Open Source Duplicate File Finders Guide

Open source duplicate file finders are a type of software that can be used to identify and remove unnecessary duplicate files from your device. They are typically free, meaning you do not need to purchase a license in order to use them. A duplicate file finder can be used to reclaim space on a hard drive by removing identical copies of data that may have been created accidentally or intentionally. It works by comparing the contents of every file, rather than simply looking at the filename or other superficial details. The best open source duplicate finders will also include an intuitive user interface and powerful search capabilities, so you can quickly identify redundant files and delete them safely without compromising any important data.

Another great feature of many open source duplicate file finders is their customization options; they allow users to fine-tune exactly what types of duplicates should be identified and removed, meaning you don't need to worry about accidentally deleting something important if it happens to match certain criteria. Additionally, some applications offer advanced features such as searching for similar files based on actual visual similarity rather than just metadata matching. This can help minimize false positives when dealing with large volumes of media files like images or audio recordings where the contents may differ between duplicates but still look nearly identical when viewed side-by-side.

One final benefit of using open source tools for finding and removing unnecessary duplicates is that these programs often provide higher levels of security compared with proprietary solutions that rely on third-party cloud storage systems or online services for their operations. When working with sensitive personal documents or financial records privacy is paramount and having complete control over your own data ensures that no one else is able to access it without permission being granted first.

Open Source Duplicate File Finders Features

  • File comparison: Open source duplicate file finders can compare two different files to see if they are identical or not. The comparison method used by the software depends on the algorithm implemented, but usually involves calculating hash values for each file and then comparing the hashes.
  • Duplicate detection: Once a match is found between two files, open source duplicate file finders can detect duplicates across multiple drives or within a single folder. This feature helps identify and remove any redundant copies of data stored on your computer.
  • Removing/Deleting Duplicates: After identifying a duplicate, open source duplicate file finders can help users delete one or all of their duplicates in order to free up disk space. They can provide you with detailed reports about which files have been deleted and when it happened.
  • Searching For Duplicates By Size: Many open source duplicate file finders allow users to search for duplicates based on size criteria such as minimum, maximum, equal to, larger than and smaller than specified sizes. This allows them to quickly identify large chunks of unused storage that could otherwise be put to better use elsewhere.
  • Scanning Subfolders Recursively: In some cases, searching through nested folders may be necessary in order to find the desired results. Open source duplicate file finders typically allow searches across multiple subfolders so that users don't have to manually go through every single folder separately in order to locate a specific kind of content they are looking for.
  • Ignoring Files By Path And Name: Not all files are safe to delete right away and many users want more control over what will get removed from their devices during duplication detection process. With open source software they can specify certain paths or even filenames which should be excluded from being scanned by the program and potentially getting removed as potential duplicates afterwards.

Different Types of Open Source Duplicate File Finders

  • Duplicate File Finder: This type of duplicate file finder searches through the hard drive or specific folders to locate and delete identical files. It usually features a filter option that allows users to narrow down the search results based on filename, size, date, or file type.
  • Byte-by-Byte Comparisons: Some open source duplicate file finders use a method called byte-by-byte comparisons to identify duplicates. This process reads two files byte by byte and compares them for differences in content. If the files are identical, then they are considered duplicates.
  • Checksum Algorithms: As an alternative to byte by byte comparison algorithms, some open source duplicate file finders employ checksum algorithms. These techniques involve scanning each file for unique characters or “hashes” which can be used to quickly compare with other hashes within a database for matches.
  • Metadata Scanning: Other open source tools scan metadata from music and video files in order to detect copies of the same songs or videos stored in different locations on a computer system.
  • Pattern Matching: Pattern matching is another approach used by some open source duplicate detectors which looks at patterns found throughout a set of files that might indicate duplicates exists elsewhere on the system without performing direct comparisons between them individually.

Advantages of Open Source Duplicate File Finders

  1. Cost-Effective: One of the main benefits of open source duplicate file finders is that they are cost-effective. They provide users with a free and open source alternative to expensive commercial products. Furthermore, they are often regularly updated and improved by developers without requiring any additional payments from users.
  2. Customizable: With open source duplicate file finders, users can customize features such as search criteria, scan settings, filters, etc. to suit their own specific needs and requirements. This ensures that the results generated are more accurate and relevant to the user’s needs.
  3. Security: Open source programs typically have fewer security risks than closed source programs since anyone can view the code and report any potential security issues or vulnerabilities before they become widespread problems. Additionally, many open source programs also go through regular security audits which helps ensure better protection for personal files and data stored on computers or other devices.
  4. Accessibility: Due to their open nature, these duplicate file finders can be accessed by anyone around the world with an internet connection regardless of their geographical location or technical ability level since there is no need for expensive hardware or software installation required in order to use them. Furthermore, most of these programs are available in multiple languages so even international users can take advantage of their powerful features easily.
  5. Support System: The active communities associated with many open source tools offer support both online and offline if needed which makes it easier for newbies or inexperienced computer users to get help quickly when experiencing difficulties using this type of program without having to invest extra time into researching solutions on their own or seeking out external assistance from professionals at a fee based rate.

What Types of Users Use Open Source Duplicate File Finders?

  • Home Users: Home users take advantage of open source duplicate file finders to quickly and easily identify any redundant files cluttering up their hard drive and freeing up disk space.
  • Business Professionals: These individuals use an open source duplicate file finder to neatly organize the documents they have stored on their computer, simplifying workflow while saving time.
  • IT Professionals: IT professionals utilize open source duplicate file finders to quickly and accurately locate copies of the same file within a large network, ensuring that each user’s data is safe from unauthorized access or duplication.
  • System Administrators: System administrators rely on open source duplicate file finders to keep all computers in a network running efficiently, catching duplicates before they consume too much storage space or cause any slowdowns in system performance.
  • Programmers: Programmers often benefit from using an open source duplicate file finder since it helps them track down redundant coding elements which can be merged together for improved workflow and overall faster project completion.

How Much Do Open Source Duplicate File Finders Cost?

Open source duplicate file finders are free to use and available to anyone. They allow users to quickly and easily scan their systems for files with the same name or contents. There are a number of open source projects that provide these services, so you can usually download and install one of the software packages that is compatible with your operating system without spending any money.

In addition, many websites offer online versions of open source duplicate file finder applications for free, allowing users to analyze their hard drives without having to install anything on their computers. These sites typically provide detailed information about how each application works, so it’s easy to compare them and figure out which one best suits your needs.

Finally, there are commercial products available that offer additional features such as automatic scans and advanced filtering options; however, most basic search functions can be accomplished using free open source tools at no cost. The only drawback with these applications is that they may not have all the features available in more expensive software packages; however, depending on your needs they could still be suitable for finding duplicate files efficiently and effectively.

What Software Can Integrate With Open Source Duplicate File Finders?

There are many different types of software that can integrate with open source duplicate file finders. These include programs like video editors, image manipulation software, audio management platforms, and data storage services. Video editors such as Adobe Premiere Pro or Apple Final Cut Pro can be integrated with open source duplicate file finders to help identify and remove unnecessary files from the user's library. Image manipulation software such as Adobe Photoshop and Gimp can also benefit from integration with open source duplicate file finders to identify multiple copies of a single image, allowing for better organization of the user's collection. Audio management platforms like iTunes and Spotify are able to leverage integration with open source duplicate file finders in order to keep music libraries uncluttered from redundant songs or versions of the same track. Finally, cloud-based data storage services like Dropbox and Google Drive utilize integration with open source duplicate file finders in order to prevent users from uploading multiple iterations of the same document, saving them valuable time and space in their online accounts.

What Are the Trends Relating to Open Source Duplicate File Finders?

  1. Increased Availability: Open source duplicate file finders have become increasingly available in recent years due to the rise of open source software development. This has made it easier for users to find and use these types of programs without having to purchase a license.
  2. Improved Functionality: Open source duplicate file finders have improved in terms of their functionality as well. Many of these programs now offer features such as scanning multiple folders at once, searching for duplicates across networks, and even removing duplicates automatically.
  3. Increased Compatibility: Most open source duplicate file finders are compatible with a wide range of operating systems, including Windows, macOS, and Linux. This makes it easy for users to use the program regardless of their system or platform.
  4. Increased Security: Open source duplicate file finders are usually more secure than their proprietary counterparts, as they are open source and can be subject to rigorous scrutiny by the community. This means that any security flaws can be quickly identified and addressed before they become a major issue.
  5. Increased Flexibility: Open source duplicate file finders typically offer more flexibility than proprietary programs when it comes to customization and tweaking settings. This allows users to tailor the program to suit their specific needs and get the most out of it.

How To Get Started With Open Source Duplicate File Finders

Getting started with using open source duplicate file finders is easy and a great way to free up storage space. First, download one of the many free open source programs available online. Once you’ve downloaded it, install the program on your computer and launch it from your applications folder.

When the program opens, it will begin an initial scan of your hard drive to identify any duplicate or similar files that are taking up space and can be deleted or moved elsewhere for safe-keeping. Depending on the size of your drive, this could take some time, so be patient in order for the process to finish.

Once completed, you’ll be presented with a list of identical and similar files that exist across your system along with their total disk usage percentage. From there you have a few different options: delete them outright if they are no longer needed; move them into an Archive/Backup folder; or change their names slightly in case there is something useful within them related to past work or projects that needs to be kept but takes up too much unnecessary space due to duplicates existing simultaneously.

Whichever option you decide upon (or if you want to keep all copies) just make sure to save these changes by clicking “Confirm” when prompted after selecting which files should stay or go. And that’s it –you’re done. Getting started with using open source duplicate file finders only takes a few steps before you can start reclaiming valuable storage space on your computer while ensuring all important/relevant files remain intact as well.