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cURL > Development

Curl Development Overview

This is the section of the web site devoted to the development of curl and libcurl. If you are just a "user" of curl or libcurl, this may not be where you want to hang out.

There is always development going on in the curl project. To help out the development team, we provide these services:

Open issues

#1364 NTLM fails in 7.36
#1363 Negotiate with SSPI not working
#1360 SSL regression in 7.36.0 on Amazon Linux
#1359 --disable-symbol-hiding/make check: 33 tests fail
#1358 ./configure --with-ssl should fail when SSL doesn't work
#1356 Curl request to remote server issue
#1355 Socket callback with CURL_POLL_REMOVE is too late
#1353 curl_multi_socket_action in edge-triggered mode
#1352 WinSSL times out when uploading and timeout option is set to 0
#1344 curl-config --feature is missing GSS-API
#1343 curl-config --feature is missing SPNEGO
#1342 curl.1/curl-config.1 refer to old versions
#1325 `curl-config --libs` includes -lrtmp (and others) not needed for dynamic linking
#1302 HTTP Auth Negotiate sends Kerberos token instead of SPNEGO token

Generated contents

Build and source information that is updated all the time:

  • Recent Source Activity - What happened recently in the source code repository?
  • Automatic Builds - We build curl automatically non-stop to verify that it builds and works.
  • Daily Snapshot - The latest version of curl, packaged and provided daily.
  • Daily scans with the clang source code analyzer. It keeps a 30 day backlog.
  • Keywords lists all test case keywords used.

Broadcasted commit info

Each push to the git repository will be announced over various systems.

  • Mail is sent to the curl-commits mailing list
  • A note is dropped in the #curl IRC channel
  • A tweet is sent out by the @curlcommits user on twitter

Documents in progress

Stuff being worked on for the next release.

  • RELEASE-NOTES is the current work in progress document for the next release.
  • TODO-RELEASE lists issues we may work on to get fix for the next release, or a future one.
  • Source code - check out the latest code directly from git

Bugs and discussions

  • Bug tracker [] - submit problems there. See also the KNOWN_BUGS document.
  • libcurl mailing list - Development talk and thoughts about how the future will become is discussed there.
  • A few devs and users hang out on IRC, in the #curl channel on


Most of these are documents from the source archive converted to web pages here for your convenience.

  • TODO - we try to maintain lists of what things you could help us with and features a future curl release might get.
  • Contribute explains about a few things to consider when you contribute with patches and source code to the curl project.
  • Copyright details the copyright and licensing for curl and libcurl.
  • Internals describes how things work internally in curl, for code hackers, bug fixers and generally interested parties.
  • The KNOWN_BUGS list.
  • Thanks to these people, curl exists as it is today!
  • List of specifications, that we use as basis for the protocols we support
  • The runtests man page
  • The testcurl docs

The README documentation files from the curl/lib directory:

Related Documentation

  • You'll find answers to many questions regarding SSL and OpenSSL in the OpenSSL FAQ.
  • C programming language international standardization working group JTC1/SC22/WG14

donate! Page updated April 24, 2014.
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