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

A script that generates URL variations to test URL parsers with

a podcast in English where we talk all things Free and Open Source

A single page document with the most important curl options for HTTP explained

Command-line client for WebSockets, like netcat (or curl) for ws:// with advanced socat-like functions

Pre-defined Compiler Macros wiki

curl-impersonate: A special build of curl that can impersonate Chrome & Firefox

Uncurled - everything I know and learned about running and maintaining Open Source projects for three decades.

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

The curl and libcurl website contents

A massively spiffy yet delicately unobtrusive compression library.

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…

TLS/SSL and crypto library

The power of curl, the ease of use of httpie.

PycURL - Python interface to libcurl

The history of IRC

The Mozilla CA bundle extracted and converted to PEM. This repository functions as a backup to the automated service on the curl web site.

nghttp2 - HTTP/2 C Library

🥧 Savoury implementation of the QUIC transport protocol and HTTP/3

daniel.haxx.se

wolfMQTT is a small, fast, portable MQTT client implementation, including support for TLS 1.3.

TLS/SSL and crypto library with QUIC APIs

headers 2 curl. Provided a set of HTTP request headers, output the curl command line for generating that set. Try the converter online at

Daniel's weekly report of what he's been up to and might do next!

Tools to measure libcurl performance delta between versions

wolfSSH is a small, fast, portable SSH implementation, including support for SCP and SFTP.

Core HTTP Specifications

fully static builds of curl, runs anywhere

(unofficial) docs for Firefox TRR (DNS-over-HTTPS)

A terminal UI for tshark, inspired by Wireshark