Free File Sharing Software
Transmission
Transmission is a file sharing application that utilize torrent techonlogy. The software provides UPnP and NAT-PMP port forwarding and features you come to expect from torrent applications like web seed support, watch directories, tracker editing, global and per-torrent speed limits, and much more.
FileZilla
Filezilla is an free and open-source FTP software that can be used to transfer files over the FTP, FTPS and SFTP protocol. The application consist of FileZilla Client and FileZilla Server. The FileZilla Client is used to connect to FTP services whereas FileZilla Server can be used to create and host your own FTP server.
Cyberduck
Cyberduck is a free and open-source client for FTP and SFTP, WebDAV, Amazon S3, OpenStack Swift, Backblaze B2, Microsoft Azure & OneDrive, Google Drive and Dropbox. Cyberduck is written in Java and C# using the Cocoa framework and is available for macOS and Windows.
Cryptomator
Cryptomator is a simple tool makes your cloud storage trustworthy. With Cryptomator, you can encrypt your data quickly and save it to your favorite cloud services provider. The tool is released as free and open source software under the MIT License. Allowing you and other developers to verify and build upon the source code, to further strengthen and improve the application.
AirDroid
AirDroid is an application lets you transfer your data, like photos, music, and more, wirelessly from your mobile device. The application is available for Android, iOS, macOS, Windows and all modern web browsers. With AirDroid you can movie things from your mobile device to your desktop computer without the need for a USB cable.
WhiteboardFox
WhiteboardFox is an online whiteboard tool that can be used to share ideas with others. WhiteboardFox works in all modern browsers and requires no setup. To create a whiteboard takes only a few seconds and requires no account details. That's what makes WhiteboardFox so powerful, simply create a whiteboard, draw your ideas and send the URL of to a friend or a co-worker via email or social media.
BlackHole
With BlackHole you can share files fast, in privacy. BlackHole allows you to move your files around the web with high-performance file transfer service that secured with blockchain technology.
TrueCrypt
TrueCrypt is an open-source disk encryption tool for Windows XP, Windows Vista, Windows 8, Windows 10, Linux, and Mac OS X. With TrueCrypt, yo can encrypt an external storage device, such as a USB drive, or an entire hard disk on your PC. TrueCrypt has been discontinued since 2014.
MirrorCreator
MirrorCreator or Mirrored.to is a web-based applications that lets you create multiple download mirrors for your files. It allows you to upload up to 400MB files that will automatically be shared with more than 30 file hosting providers.