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
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Daniel Stenberg e96cb8b1d8
buildconf: remove
Not used since 85868537d6 (Aug 2020)

Removed from the release tarballs since 91fcbc5d1a (Aug 2024)

Closes #21210
2026-04-04 11:35:24 +02:00
.circleci
.github buildconf: remove 2026-04-04 11:35:24 +02:00
CMake cmake: enable pthreads for BoringSSL/AWS-LC 2026-03-31 17:17:47 +02:00
docs hsts: make the HSTS read callback handle name dupes 2026-04-02 18:01:20 +02:00
include
lib dnscache: fix locking for negative caching 2026-04-03 22:27:59 +02:00
LICENSES
m4 src: drop detecting and redefining system symbol ftruncate 2026-03-30 13:46:14 +02:00
projects
scripts mk-ca-bundle.pl: tidy up more leftovers 2026-03-28 00:55:09 +01:00
src tool: fix retries in parallel mode 2026-04-03 17:06:16 +02:00
tests test 766: flag as timing-dependent 2026-04-03 17:07:36 +02:00
.clang-tidy.yml
.dir-locals.el
.editorconfig
.git-blame-ignore-revs
.gitattributes buildconf: remove 2026-04-04 11:35:24 +02:00
.gitignore
.mailmap tool: fix two more allocator mismatches 2026-03-30 16:17:42 +02:00
acinclude.m4
appveyor.sh
appveyor.yml
CHANGES.md
CMakeLists.txt cmake: enable pthreads for BoringSSL/AWS-LC 2026-03-31 17:17:47 +02:00
configure.ac build: drop redundant HAVE_PTHREAD_H guard 2026-03-30 18:57:07 +02:00
COPYING
curl-config.in
Dockerfile
GIT-INFO.md
libcurl.pc.in
Makefile.am
README
README.md
RELEASE-NOTES RELEASE-NOTES: synced 2026-04-03 22:33:41 +02:00
renovate.json
REUSE.toml
SECURITY.md

curl logo

curl is a command-line tool for transferring data from or to a server using URLs. It supports these protocols: DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, MQTTS, POP3, POP3S, RTSP, SCP, SFTP, SMB, SMBS, SMTP, SMTPS, TELNET, TFTP, WS and WSS.

Learn how to use curl by reading the man page or everything curl.

Find out how to install curl by reading the INSTALL document.

libcurl is the library curl is using to do its job. It is readily available to be used by your software. Read the libcurl man page to learn how.

Open Source

curl is Open Source and is distributed under an MIT-like license.

Contact

Contact us on a suitable mailing list or use GitHub issues/ pull requests/ discussions.

All contributors to the project are listed in the THANKS document.

Commercial support

For commercial support, maybe private and dedicated help with your problems or applications using (lib)curl visit the support page.

Website

Visit the curl website for the latest news and downloads.

Source code

Download the latest source from the Git server:

git clone https://github.com/curl/curl

Security problems

Report suspected security problems privately and not in public.

Backers

Thank you to all our backers 🙏 Become a backer.

Sponsors

Support this project by becoming a sponsor.