File Sync Software for Windows

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

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  • 1
    GO Contact Sync Mod

    GO Contact Sync Mod

    Sync Outlook contacts and calendars with Google

    Please install the latest version >4.0, because it uses the new Google People API. The Google Contacts API is now deprecated and is scheduled for sunset on June 15, 2021. GO Contact Sync Mod synchronizes your Microsoft Outlook contacts with your Google Mail address book, including pictures, categories and contact notes. It also syncs your Outlook Calendar Appointments on demand to Google Calendar. This Mod fork adds many enhancements and bug fixes to the obviously dead project 'Go Contact Sync'. Minimum requirement for GO Contact Sync Mod is .NET 4.7.2 and Windows 7 (32 or 64 bit).
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    Downloads: 446 This Week
    Last Update:
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  • 2
    Outlook CalDav Synchronizer

    Outlook CalDav Synchronizer

    Sync Outlook with Google, SOGo or any other CalDAV / CardDAV server

    Free Outlook Plugin, which synchronizes events, tasks and contacts between Outlook and Google, SOGo, NextCloud, Horde or any other CalDAV or CardDAV server. Supported Outlook versions are 2021, 2019, 2016, 2013, 2010 and 2007 and Office 365 for Desktop. This project was initially developed as a master thesis project at the University of Applied Sciences Technikum Wien, Software Engineering Degree program. Outlook CalDav Synchronizer is Free and Open-Source Software (FOSS), still you can support the project by donating on Sourceforge or directly within the About dialog of our Plugin. Contact us for enterprise support at https://caldavsynchronizer.org/enterprise/contact
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    Downloads: 411 This Week
    Last Update:
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  • 3
    FreeFileSync

    FreeFileSync

    Folder comparison and synchronization software

    FreeFileSync is a folder comparison and synchronization software that creates and manages backup copies of all your important files. Instead of copying every file every time, FreeFileSync determines the differences between a source and a target folder and transfers only the minimum amount of data needed. FreeFileSync is Open Source software, available for Windows, macOS, and Linux.
    Downloads: 36 This Week
    Last Update:
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  • 4
    SymmetricDS

    SymmetricDS

    Database Replication, Filtered Synchronization, and Transformation

    SymmetricDS is database replication and file synchronization software. It is a platform-independent, web-enabled, and database-agnostic synchronization tool. With initial data load, bidirectional change data capture, conflict resolution, and data transformation, it is a comprehensive data replication solution.
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    Downloads: 160 This Week
    Last Update:
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  • 5
    A Note is faulty. Do not use it any more! It will do more bad than good. Your notes may just disappear.
    Downloads: 35 This Week
    Last Update:
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  • 6
    Kinto

    Kinto

    A generic JSON document store with sharing and synchronisation options

    Kinto is a minimalist JSON storage service with synchronization and sharing abilities. It is meant to be easy to use and easy to self-host. Kinto is used at Mozilla and released under the Apache v2 license. It’s hard for frontend developers to respect users' privacy when building applications that work offline, store data remotely and synchronize across devices. Existing solutions either rely on big corporations that crave user data or require a non-trivial amount of time and expertise to set up a new server for every new project. We want to help developers focus on the front, and we don’t want the challenge of storing user data to get in their way. The path between a new idea and deploying to production should be short! Also, we believe data belong to the users, and not necessarily to the application authors. Applications should be decoupled from the storage location, and users should be able to choose where their personal data are stored.
    Downloads: 3 This Week
    Last Update:
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  • 7
    Lotus Notes to Google Calendar tool

    Lotus Notes to Google Calendar tool

    One-way synchronization from Lotus Notes Calendar to Google Calendar

    This is a one-way sync program that will sync your Lotus Notes Calendar to your Google Calendar. No installation is required. Includes many options such as automatic syncing at specified intervals. *Important Privacy Information: https://sourceforge.net/p/lntogoogle/wiki/PrivacyPolicy/ *** Information Update, September 2020: *** Recent issues with Google Synchronization should be fixed with version 1.9.2 which is available for download, now. For typical installation pitfalls, see: https://sourceforge.net/p/lntogoogle/wiki/InstallationPitfalls/ The project was not maintained since its last update in February 2015. However, since I've tracked more than 15.000 Downloads over the last 5 years and still more than 1 million Calendar API-Calls per day, I assume that the tool is still very much in use. So I decided to go back to work. More info: https://sourceforge.net/p/lntogoogle/wiki/Home/ Donations appreciated
    Downloads: 5 This Week
    Last Update:
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  • 8
    SparkleShare

    SparkleShare

    Share and collaborate by syncing with any Git repository

    SparkleShare creates a special folder on your computer. You can add remotely hosted folders (or "projects") to this folder. These projects will be automatically kept in sync with both the host and all of your peers when someone adds, removes or edits a file. SparkleShare was made to cover certain use cases, but doesn't handle every scenario well. SparkleShare uses the version control system Git under the hood, so setting up a host yourself is relatively easy. Using your own host gives you more privacy and control, as well as lots of cheap storage space and higher transfer speeds. The idea of SparkleShare sprouted at the GNOME Usability Hackfest in London, where a couple of designers came to the conclusion that they didn't have a good (Open Source) collaboration tool to share their work.
    Downloads: 1 This Week
    Last Update:
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  • 9
    ZHHacker

    ZHHacker

    ZHHacker

    ZH修改器库 B站账号: https://space.bilibili.com/419744583 QQ群号: 689948788
    Downloads: 25 This Week
    Last Update:
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  • 10
    iFolder
    iFolder is a safe and secure way to share and synchronize files across computers and within teams. http://ifolder.com Report Bugs : http://tinyurl.com/ifolderbugs Open Bugs : http://tinyurl.com/ifolderopenbugs
    Downloads: 6 This Week
    Last Update:
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  • 11
    Series60-Remote is an application to manage your mobile phone. You can send and receive SMS messages directly on your computer. It also provides a complex contact and file management.
    Downloads: 6 This Week
    Last Update:
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  • 12
    Android All In One Toolkit

    Android All In One Toolkit

    Android All In One Toolkit 2.0

    Android All In One Tool Kit Developer : Aditya Kamble Contact: adityakamble49@gmail.com Stable release Version : 2.0 Built 2013.12.25 Details: I Made This tool for making workflow more easier for stuff like transfering data from pc to phone and phone to pc . Rather than connecting mass storage via USB you can transfer data using this tool via adb. No need of any command just use this tool for stuff like Features: 1. Fast Data Transfer Using adb ( Instead Of SD Card Mounting ) 2. Tweaks for Android 3. Build Prop Editor 4. Android APK Manager Requirements: 1. Android Device Connected To PC in Debugging Mode Enabled 2. USB Drivers Should Be Installed
    Downloads: 19 This Week
    Last Update:
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  • 13
    This application synchronizes Lotus Notes Calendar entries with Google Calendar. GCal supports syncing with both iOS (iPhone/iPad/iPod) and Android devices, so you can now view your Lotus Notes calendar on your mobile device. GCal also allows you to view the calendar using any ical/rss/html compatible viewer. Currently the sync is only one direction: pushing Lotus Notes entries to GCal. All entries manually created in GCal will be ignored (and not copied down to Lotus Notes).
    Downloads: 3 This Week
    Last Update:
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  • 14
    ByteSync

    ByteSync

    All-in-One Sync, Backup & Deduplication Tool

    ByteSync is a powerful open-source tool for remote file comparison and synchronization, designed to transfer only what truly matters: the differences. Whether you're syncing large files, backing up remote folders, or handling extensive sets of small files, ByteSync delivers speed, security, and efficiency—without unnecessary data transfers. Compatible with Windows, macOS, and Linux, ByteSync leverages cloud-based orchestration with end-to-end encryption, eliminating the need for VPNs or firewall configurations. No continuous background syncing, no bloat—just fast, on-demand file synchronization between remote devices.
    Downloads: 9 This Week
    Last Update:
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  • 15
    Syncdrome

    Syncdrome

    Syncdrome: Fast, smart file catalog & search for your drives

    Syncdrome is a standalone tool that creates a comprehensive catalog of files from your personal hard drives. It enables rapid keyword searches, delivering results in a style similar to web search engines. When a drive is connected, you can directly open files with your system’s default applications. The application lets you designate a working folder for storing the file catalog, which can even be located on a cloud storage service like Dropbox or Google Drive for easy access from any device. With an intuitive interface, Syncdrome also provides a Navigator for exploring your synchronized drives, a Bookmark system to save your favorite files with comments, and a Folder Sync feature to keep directories consistent between locations. Additionally, its File Name Cleaner allows you to apply custom patterns and substitution rules to modify file names efficiently.
    Downloads: 9 This Week
    Last Update:
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  • 16
    meento

    meento

    HTTP & P2P file sharing

    HTTP and P2P file sharing tools
    Downloads: 7 This Week
    Last Update:
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  • 17
    Synchredible

    Synchredible

    Keep Your Data in Sync. Ensure Reliable Backups!

    Synchredible is a powerful and user-friendly synchronization and backup tool designed to simplify file management across devices and drives. With its intuitive interface, Synchredible enables users to synchronize folders and files automatically or manually, ensuring data consistency and safeguarding against data loss. The software supports local, external, and network drives, making it versatile for various use cases, from personal backups to professional data management. Advanced features such as file filtering, scheduling, and one-way or two-way synchronization add flexibility, while its high-speed performance ensures quick and reliable operations. Whether for mirroring data or performing incremental backups, Synchredible is a practical solution for maintaining organized and secure file systems.
    Downloads: 3 This Week
    Last Update:
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  • 18
    HTserveFS

    HTserveFS

    Fast file system server with modern web UI and direct transfers

    Powerful HTTP file system server (HFS) designed for fast, direct file transfers without intermediaries. This modern file server solution features a responsive web interface for seamless file management, supporting unlimited file sizes with high-speed transfers. Built with advanced security including JWT authentication, role-based permissions, and TLS encryption. The web-based file system server offers real-time monitoring, bandwidth control, and customizable folder sharing. Perfect for businesses and developers needing reliable file server software with modern UI. Supports both HTTP and HTTPS protocols, multi-user management, and cross-platform compatibility. Ideal replacement for traditional FTP servers, providing secure file sharing with intuitive web interface and enterprise-grade features for efficient file system management.
    Downloads: 5 This Week
    Last Update:
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  • 19
    SyncManager

    SyncManager

    Sync manager that helps you sync your files across different locations

    SyncManager is a custom-made lightweight synchronization manager that helps you synchronize files and folders across different locations. SyncManager lets you synchronize your data in two ways: manually or automatically. Manual syncing mode lets you decide what and when to synchronize data, while automatic syncing mode synchronizes data based on its average synchronization time. It also offers three distinct synchronization types: two-way, one-way, and one-way update, allowing you to synchronize data between folders in different ways. Plus, it has filtering and customizable versioning settings that help you to set synchronization more precisely. You can also decide how to handle old versions of files and folders: move them to the trash, delete them permanently, or version them in a special folder. The utility is operating as a fully automated solution that seamlessly launches at system startup.
    Downloads: 5 This Week
    Last Update:
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  • 20

    GO Contact Sync

    Project superseded by http://sf.net/projects/googlesyncmod

    GO Contact Sync is a tool that synchronizes your contacts between Microsoft Outlook and Google Mail, it removes the hassle of entering details more than once. This project is superseded by http://sourceforge.net/projects/googlesyncmod
    Downloads: 1 This Week
    Last Update:
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  • 21
    KeepUp File Updating Tool

    KeepUp File Updating Tool

    Keep local files current to online sources

    The KeepUp File Updating Tool is a utility designed to simplify and automate the process of keeping local files up-to-date by checking against remote URLs. Ideal for technicians and IT professionals, this tool ensures that you always have the latest versions of critical files, whether they are stored locally on your system or a removable drive.
    Downloads: 3 This Week
    Last Update:
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  • 22
    Позволяет синхронизировать папки, обходя ошибки ФТП сервера с маленькой буквой я
    Downloads: 1 This Week
    Last Update:
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  • 23
    Groupwise to Google Calendar
    Synchronizes Novell Groupwise appointments to the Google calendar. The Google calender name could be set at the config file. Each time the application deletes all Google calendar entries, so only one direction is supported.
    Downloads: 1 This Week
    Last Update:
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  • 24
    pj-ntp-server

    pj-ntp-server

    Pure Java NTP server.

    Pure Java NTP server. Run as root/admin in cmd-mode without cmd argument, for example: java -jar pj-ntp-server.jar (server start on standart UDP/123-port) or run as root/admin in cmd-mode with UDP-port cmd argument, for example: java -jar pj-ntp-server.jar 1111 where 1111=udp-port of server listen. Need JRE-1.8. Source = https://github.com/harp077/pj-ntp-server If you like this - put a star on https://github.com/harp077/pj-ntp-server/ for support project please.
    Downloads: 1 This Week
    Last Update:
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  • 25

    simple_tcp_client/server

    tcp client/server

    Simple windows x86 32bit TCP client/server application
    Downloads: 1 This Week
    Last Update:
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