1. FileZilla is an FTP, or file transfer protocol, client. It lets individuals transfer single files or batches to a web server. For many years, FTP was the standard for website design. Read more about FileZilla.

  2. Uploadify is a jQuery plugin that allows users to easily add multiple file upload functionality to their website.

  3. Filestack is file uploading software designed for cloud usage applications.

  4. pithos is a daemon which provides an S3-compatible frontend for storing files in a Cassandra cluster.

  5. ProjectSend is a self-hosted application that lets users upload files and assign them to specific clients.

  6. A libre FTP, SFTP, WebDAV, S3, Backblaze B2, Azure & OpenStack Swift browser.

  7. The most advanced dual pane file manager and file transfer client for macOS.

  8. Viper FTP is an FTP client and file manager for macOS.

  9. Versatile file uploading and processing service.

  10. Secure Transport is a high-speed file transfer (MFT) gateway.

  11. Secure file sharing & FTP hosting for the ​enterprise.

  12. Standalone Pandora client with proxy support (tortunnel).