AWS Transfer for SFTP vs cURL: What are the differences?
Developers describe AWS Transfer for SFTP as "Fully Managed SFTP Service for Amazon S3". 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. On the other hand, cURL is detailed as "Command Line Tool and Library for Transferring Data With URLs". Used in command lines or scripts to transfer data. It is also used in cars, television sets, routers, printers, audio equipment, mobile phones, tablets, and is the internet transfer backbone for thousands of software applications affecting billions of humans daily.
AWS Transfer for SFTP and cURL can be categorized as "File Transfer" tools.
cURL is an open source tool with 14K GitHub stars and 3.09K GitHub forks. Here's a link to cURL's open source repository on GitHub.