cURL

It is a modern, fluent, asynchronous, testable, portable, buzzword-laden URL builder and HTTP client library for .NET.

It is a powerful and free software for transferring files over the Internet. It is a very popular FTP client and is used by webmasters from all over the world.

It is a popular SFTP client and FTP client for Microsoft Windows. Copy file between a local computer and remote servers using FTP, FTPS, SCP, SFTP, WebDAV or S3 file transfer protocols.

It is a Modern command line HTTP client – user-friendly curl alternative with intuitive UI, JSON support, syntax highlighting, wget-like downloads, extensions, etc

It is a libre server and cloud storage browser for Mac and Windows with support for FTP, SFTP, WebDAV, Amazon S3, OpenStack Swift, Backblaze B2, Microsoft Azure & OneDrive, Google Drive and Dropbox.

AWS Transfer for SFTP is a fully managed service that enables the transfer of files directly into and out of Amazon S3 using the Secure File Transfer Protocol (SFTP)—also known as Secure Shell (SSH) File Transfer Protocol. AWS helps you seamlessly migrate your file transfer workflows to AWS Transfer for SFTP—by integrating with existing authentication systems, and providing DNS routing with Amazon Route 53—so nothing changes for your customers and partners, or their applications.

It is file sharing at its simplest. It works as if your e-mail account can support those large file sizes, you type in your e-mail address and the recipient’s e-mail address, add a message, attach the file, and send.

It is the best assistant in working with all types of documents in electronic form: tax invoices, acts, invoices and reports.

A simple script to automate telegram download of big files. If you have got an Internet connected computer or NAS and you want to automate file downloading from Telegram channels, this daemon is for you.

Couchdrop is a cloud-native b2b file exchange platform that simplifies secure file transfers across organizational boundaries with zero infrastructure management.

Mover is the best way to migrate or back up files between cloud storage providers and traditional servers. We connect to services like Dropbox, Box, Google Drive, OneDrive, FTP, WebDAV, S3 and many others.

Movebot is a platform-agnostic data migration tool that simplifies mailbox and file migrations from cloud to cloud, on-prem to cloud, and between cloud tenants with powerful scanning, reporting, and data transformation features.

It secures, manages, and tracks data transferred between people and applications both inside and outside your organization. Deploy on-premises, in the cloud, or as a hybrid configuration based on your business requirements.

It is a free command line tool and client for uploading, retrieving and managing data in Amazon S3 and other cloud storage service providers that use the S3 protocol, such as Google Cloud Storage or DreamHost DreamObjects.

Companies worldwide rely on edtFTPnet/Free to add FTP to their .NET applications. It is a mature, optimized library that has been proven over many years of use.

It is an extremely powerful, easy to use solution that runs on almost everything: macOS 10.9+/11/12+, Win2012+, Linux, Solaris, BSD, Unix, etc! Any OS that can run Java 8 at a minimum can run CrushFTP.

It is a platform for file sharing, where there is no limit on the size of the transfer (up to 30GB per transfer) neither on the quantity shared (unlimited transfers). With Resumable Uploads, you may begin your upload today, turn off your pc and resume your upload tomorrow.

It is a sophisticated file transfer program supporting a number of network protocols (ftp, http, sftp, fish, torrent).

It provides a private, secure, policy-driven multi-cloud content and collaboration solution. It does not ship with storage, it works with a Companies existing storage portfolio whether that is on-cloud or on-premises.

It is an online fax service. Allows users to send and receive fax directly from their browser. While there are already many existing solutions for fax, most such solutions require users to register for an account and pay monthly subscription fees. While FaxDroid does offer such plans it also allows users to send fax without registering an account. This is ideal for users who don't send fax often.