CURL

curl
Original author(s)Daniel Stenberg
Developer(s)Contributors to the curl project
Initial release1996 (1996)
Stable release
8.14.1  / 4 June 2025
Repository
Written inC
PlatformCross-platform
Typeweb client (supports e.g. HTTPS, and FTP)
Licensecurl license (inspired on the MIT License), also ISC, 3-clause BSD, 4-clause BSD
Websitecurl.se

cURL (pronounced like "curl", /kɜːrl/) is a free and open source computer program for transferring data to and from Internet servers. It can download a URL from a web server over HTTP, and supports a variety of other network protocols, URI schemes, multiple versions of HTTP, and proxying. The project consists of both a library (libcurl) and command-line tool (curl), which have been widely ported to different computing platforms.

It was created by Daniel Stenberg, who is still the lead developer of the project.