Cloud storage is proving to be more than just a place where you can store volumes of data and files.

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Today, you can move around with your office virtually, no matter the location, and access any of your files and/or data from your computer or device.

What’s more, it can be used by individuals, or small and large organisations alike, saving you time, stress, and costs that come with finding storage devices (which you also have to keep carrying around) and this can be cumbersome.

Cloud is a SaaS (Software as a Service) solution, which you can get either for free or subscribe to paid versions for more features if you like.

However, there are free cloud software for Windows that you can use, which offer a wide variety of features from storage, to syncing data, work team collaboration, and so much more.

This article looks at the top 7 free cloud software for Windows OS to get you started.

Free cloud tools for Windows PCs

  1. Sync
  2. Nextcloud
  3. OwnCloud
  4. Pydio
  5. SeaFile
  6. AeroFS
  7. Resilio Sync
  8. Syncthing

1. Sync (Recommended)

sync cloud software
This tool is quite amazing as it offers you 5 Gb of free storage when you sign in on their website. After that, all users that want to get more storage space (if they are satisfied with the service), can pay a fee. For all of you who want some important files that ar not bigger than 5 GB to be safe – this is the perfect spot.

You will have a guaranteed protection as the files are encrypted when downloaded, so even if someone wants to steal them, they will be useless as its end-to-end encryption will not allow this.

You will also be able to share your files with other persons even if they do not have a Sync account. Sync also supports teamwork so you can let other persons work on the same documents and have the total control of their actions in order to keep safe the work progress.

You will access your files from any device and from any location – all you will need is an active internet connection. We strongly recommend this cloud software with its start free storage. You can sign up in order to access this service from the link below.

2. Nextcloud

free cloud software for Windows

If you’re looking for a safe home for your data, easy accessibility to your files and information, privacy, a transparent and growing community you can share with for constant improvements, collaboration and scalability, then this is the best free cloud software for Windows you can choose.

Features include access to all your files from any device and/or location, sharing options with other users including password protection for public links, security for self-hosted file sync and sharing, workflow management to control and direct data flow between users or servers, easy tracking of changes or modifications, and tracking of downloads of shares, or comments to your files.

Through its Monitoring app, you can monitor the health and performance of your cloud system using a graphical interface and API endpoint.  You can also monitor activity for mobile and desktop clients, encrypt data with the Encryption app, and share your calendar or contacts with other users.

A unique thing about Nextcloud is making secure audio and video calls, like you would via Skype. You can operate your own audio/video communication in a secure environment, and invite others to collaborate in a group – this cannot be intercepted, not even by the server administrator.

It also has the Collabora Online feature, a powerful office suite that supports most major document, spreadsheet and presentation formats including DOC, DOCX, PPT, PPTX, XLS, XLSX, and much more. In this feature are editing options for collaborative editing when several people edit simultaneously from their browser, plus WYSIWYG rendering and preserving document layout and formatting.

Extend your cloud’s functionality with this software’s extra features form the app store that has more than 100 apps for enhanced sharing.

Download Nextcloud

3. OwnCloud

free cloud software for Windows

There’s so much you can do when you have your own cloud storage, and this free cloud software for Windows promises a safe home for all your data. With ownCloud, you can access your data, share files or calendars and contacts or mail from any device.

Developed in a transparent and inviting way, this cloud software keeps your files secure, private, and offers flexibility for all your digital needs.

You can access your data through a web interface, sync clients or WebDAV on a platform where you can view, sync, and share across multiple devices under your control.

Store your private digital media files, documents, and contacts on your server, a rented VPS or public OwnCloud providers, and access your data on an FTP drive when at work, or images shared via Dropbox through your OwnCloud server.

Features include data access from any device and any location, sharing editing and collaborating options including password protected public links, video calling, flexible external storage, mobile and desktop syncing, activity feed and notifications to keep you updated.

Other features include versioning and undelete feature, galleries for digital media, and playing music or watching movies using the Music and Streaming apps, plus integration of antivirus scanning with the antivirus app.

Download OwnCloud

4. Pydio

free cloud software for Windows

For secure file control, sharing and management, this free cloud software for Windows is your best bet.

Pydio offers a web-rich application so you can preview most common file formats, with a comprehensive sync and share solution for team collaboration through its software that is deployed either on-premise or in a private cloud.

Features include access from computers and mobile devices, desktop sync apps, advanced sharing like password protection or download and sharing time limits, customizable user interface, secure management and control of access to your data and files by deploying it on your own infrastructure with easy integration.

You also get real time monitoring and a dashboard you can manage from, plus professional support for troubleshooting issues.

Other features include connection to many storage systems and user directories such as OneDrive, Dropbox, LDAP, SHIBBOLETH, AD, RADIUS and many others.

It also comes with the Collabora Online feature, a powerful office suite that supports most major document, spreadsheet and presentation formats including DOC, DOCX, PPT, PPTX, XLS, XLSX, and much more. In this feature are editing options for collaborative editing when several people edit simultaneously from their browser.

You can also share and collaborate across clouds as though you were on the same server. Through File Gateway tool, you can serve public links through a dedicated URL and avoid showing your own server address, thus there’s improved security for your infrastructure.

Download Pydio

5. SeaFile

free cloud software for Windows

This is another free cloud software for Windows that offers syncing and sharing options with high reliability and performance.

It is an enterprise file hosting platform that lets you put files on your server and organize them into libraries which can be encrypted by a password you choose before syncing, and access or share and sync them as a virtual disk, thus improving your productivity.

You can also access files in the cloud from your local drive without syncing them, which ideally extends the disk space with the huge storage on the server, and you can use them offline as well.

Seafile is easy to upgrade via a simple script, plus you don’t need a huge database upgrade as it records few items in it.

It is also enterprise ready with AD/LDAP integration, group syncing, and fine-grained permission control so you can apply it to your enterprise easily.

When it comes to safety and security, Seafile is known to provide a reliable syncing tool, with more than 3 years of polishing its algorithm which is stable and reliable, plus works on extreme situations and guarantees no data loss.

Features include cross platform or device file syncing, mobile access to your files, extension of local disk space using Drive client, file sharing and permission control, file versioning, snapshot for folders, file locking to prevent concurrent editing and conflicts, online editing and co-authoring, audit logs so you can monitor your system and user activity, security and file encryption with two-factor authentication, backup and data recovery, as well as integration with mobile and third party applications.

Download SeaFile

6. AeroFS

free cloud software for Windows

This is a pretty simple to use, free cloud software for Windows.

Its offers unlimited storage because the files are kept on your own infrastructure, simplicity of installation with its one-click AeroFS client installation which takes up to 5 minutes and gives automated updates, and your own private cloud so you can use it to deploy the software 100% privately.

It is easy to use, plus secure for file syncing and sharing as your data is on your infrastructure. AeroFS never stores your files, meaning you can maintain the control, centralized security, administration, and remote wipe capabilities.

Data and files are protected with an end-to-end in transit AES 256-bit encryption.

You also get to share and sync files once you drop them in the AeroFS folder, track changes easily with version history, integrate with LDAP/AD/Open ID that simplify sign on, and also use familiar shortcuts, menus and right click options with your existing workflow.

Download AeroFS

7. Resilio Sync

free cloud software for Windows

With this free cloud software for Windows, you can sync your digital files whether it is photos, music, videos or other documents to any device.

Features include the One Time Send PRO, which is the fastest, most private way to send files to multiple recipients without sharing the full folder, or creating a permanent sync connection.

You can also sync folders automatically to all devices and they are automatically available on all linked devices, change access permissions or assign ownership and revoke access on the fly using Advanced Folders feature, or use Selective Sync feature to download what you need without replicating entire folders on each device.

This software also lets you control bandwidth usage, keeps your files safe through automatic backups and disaster recovery sites you create, send large files very fast, access files on the go, and use it on any device as it is available for different operating systems and multiple platforms.

Download Resilio Sync

8. Syncthing

free cloud software for Windows

This free cloud software for Windows replaces proprietary sync and cloud services with an open, trustworthy and decentralized one.

With this software, your data is yours, and you determine where to store it and how to share or transmit it over the internet.

It is secure and private, but you can use encryption and authentication features to perfect forward secrecy, prevent eavesdroppers, and allow explicit permissions to your cluster.

It is easy to use, with features such as the Web GUI which you can configure and monitor the software via your browser. It is also portable as you can run it on your computer or devices, plus it is simple with no need for IP addresses or advanced configuration. You can also synchronize as many folders as you want with different users.

Download Syncthing

Have you settled on one of these free cloud software for Windows, or is there one you’re currently using that you’d like to share about? Let us know your choice by dropping your comment in the section below.

Editor’s Note: This post was originally published in November 2017 and has been since revamped and updated with new products so our users would have a wider range of alternatives.