A command line tool and library for transferring data with URL syntax, supporting DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, POP3, POP3S, RTMP, RTMPS, RTSP, SCP, SFTP, SMB, SMBS, SMTP, SMTPS, TELNET, TFTP, WS and WSS. libcurl offers a myriad of powerful features

The curl.se website

trurl is a command line tool for URL parsing and manipulation.

Reproducible curl binaries for Linux, macOS and Windows

curl images

Scripts for generating project statistics and for plotting them as graphs.

The curl.dev website

Quality assurance testing for the curl project

Tools to measure libcurl performance delta between versions