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Archive of https://github.com/curl/curl — 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, MQTTS, POP3, POP3S, 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 d45980c31c
 RELEASE-NOTES: synced 
and bump the version to 8.23.1 for now
2026-10-14 23:25:43 +02:00
.circleci tidy-up: miscellaneous 2026-10-13 17:07:25 +02:00
.github GHA/windows: drop Cygwin site: customization, upstream made it the default 2026-10-14 12:12:37 +02:00
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projects os400: use correct free function 2026-10-02 03:40:41 -04:00
scripts checksrc: add off-by-default PRINTFZ rule, enable for examples 2026-10-14 12:45:21 +02:00
src tidy-up: miscellaneous 2026-10-13 17:07:25 +02:00
tests test_06_eyeballs: silence Code Quality warning 2026-10-14 13:03:02 +02:00
.clang-tidy.yml clang-tidy: merge nested if()s 2026-09-03 10:04:56 +02:00
.dir-locals.el copyright: update all copyright lines and remove year ranges 2023-01-03 09:19:21 +01:00
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acinclude.m4 apple: shorten versions in __builtin_available() calls 2026-09-29 00:37:16 +02:00
appveyor.sh appveyor: minor improvements 2026-10-14 14:32:19 +02:00
appveyor.yml appveyor: minor improvements 2026-10-14 14:32:19 +02:00
CHANGES.md CHANGES: fix typo in filename 2026-01-01 12:20:10 +01:00
CMakeLists.txt tidy-up: miscellaneous 2026-09-30 21:41:30 +02:00
configure.ac socketpair: use pipe2() on Apple OSes (requires SDK 27) 2026-09-28 12:45:58 +02:00
COPYING COPYING: bump copyright year range to 1996 - 2026 2026-01-08 23:19:44 +01:00
curl-config.in autotools: tidy-up if expressions 2025-12-10 22:29:19 +01:00
Dockerfile GHA: update debian:bookworm-slim Docker digest to 7c7b2c9 2026-10-06 10:34:58 +02:00
GIT-INFO.md docs/INTERNALS.md -> docs/DEPENDENCIES.md 2026-07-29 14:20:36 +02:00
libcurl.pc.in libcurl.pc: Add Copyright tag to the pkgconf file 2026-08-13 10:11:41 -07:00
Makefile.am autotools: alpha-sort ETAGS_ARGS list 2026-09-01 02:27:26 +02:00
README tidy-up: comments, messages, formatting 2026-07-30 11:26:22 +02:00
README.md SMB: drop support 2026-09-12 15:58:30 +02:00
RELEASE-NOTES RELEASE-NOTES: synced 2026-10-14 23:25:43 +02:00
REUSE.toml renovate: move configuration file to .github subdir 2026-10-02 12:26:00 +02:00
SECURITY.md stop using the word 'just' 2026-03-03 15:30:22 +01:00

README.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, 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.