Curl - transfer a file using a FTP, FTPS, DICT, HTTP, HTTPS, SCP, SFTP, TFTP,
TELNET, FILE or LDAP URL.

Curl is a client to transfer documents/files from servers with URL syntax,
using any of the supported protocols. The command is designed to work without
user interaction or any kind of interactivity.
 
Curl offers a busload of useful tricks like proxy support, user
authentication, ftp upload, HTTP post, HTTP put, SSL (https:) connections,
cookies, file transfer resume and more.

Curl is an Open Source project.

Homepage at: https://curl.haxx.se