Apps with 'File transfer' feature
Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free. It is like SMS, but more powerful.
Be aware that installing FileZilla on your computer might install some bundleware/malware on your machine. See this thread on the FileZilla forum: https://forum.filezilla-project.org/viewtopic.php?f=2&t=48441
FileZilla is a powerful FTP-client. It has been designed for ease of use and with support for as many features as possible, while still being fast and reliable.
Remote desktop app for sharing screens and files sharing across most devices focusing on speed and security.
OpenSSH is a free version of the SSH connectivity tools that technical users rely on.No screenshots yet
A libre FTP, SFTP, WebDAV, S3, Backblaze B2, Azure & OpenStack Swift browser.
Integrate Android with the KDE Desktop.
rsync is a software application for Unix which synchronizes files and directories from one location to another while minimizing data transfer using delta encoding when appropriate.
Android, BSD, Linux, and Windows open source multimedia download manager.
Voice, video and chat communications, secure, decentralized, strong privacy and freedoms.
Send is a free encrypted file transfer service that allows users to safely and simply share files from any browser. With Send you can share file sizes up to 1GB quickly.
Free remote PC access software that can display the screen of another PC via LAN or the Internet.
Client-side URL library and command-line tool for transferring data using commonplace network protocols.
Open source application used to transfer file via WebRTC and WebTorrent. Open the website, select a file and get given a link to send to the recipient. For as long as the page is open users can download from the link provided via WebTorrent.
RetroShare is a open source cross-platform, private and secure decentralized communication system.
FastCopy is the fastest copy, delete, & sync software on Windows. It uses modern checksum verification to ensure copy accuracy and data integrity.