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
Find a file
Viktor Szakats 4abe47e1f5
src: sync nghttp2 versions checks with current requirements
Also:
- drop a redundant check.
- make the in-source error informative.

Follow-up to 2900c29218 #11473

Closes #22061
2026-06-17 14:37:54 +02:00
.circleci
.github CI: improve labeler tag detection 2026-06-16 10:53:17 -07:00
CMake cmake/FindGSS: prioritize MIT over GNU in pkg-config detection 2026-06-16 19:11:15 +02:00
docs cf-dns: pass peer for result lookups 2026-06-16 23:15:43 +02:00
include tidy-up: prefer spelling 'flavor', where missing 2026-06-15 03:28:42 +02:00
lib src: sync nghttp2 versions checks with current requirements 2026-06-17 14:37:54 +02:00
LICENSES spacecheck: check long lines and repeat spaces, fix fallouts 2026-03-25 11:02:08 +01:00
m4 tidy-up: miscellaneous 2026-06-14 20:10:28 +02:00
projects tidy-up: miscellaneous 2026-06-14 20:10:28 +02:00
scripts perl: open... || -> open... or (cont.) 2026-06-16 19:11:15 +02:00
src tool_writeout: fix %time{} output for %s 2026-06-16 10:17:43 +02:00
tests first.h reflow 2026-06-17 14:37:14 +02:00
.clang-tidy.yml clang-tidy: enable more checks, fix fallouts 2026-04-14 02:20:16 +02:00
.dir-locals.el
.editorconfig
.git-blame-ignore-revs
.gitattributes buildconf: remove 2026-04-04 11:35:24 +02:00
.gitignore
.mailmap mailmap: Darren Banfi 2026-06-12 14:48:12 +02:00
acinclude.m4 tidy-up: miscellaneous 2026-06-01 22:33:57 +02:00
appveyor.sh appveyor: bump 3 VS2022 jobs to VS2026 2026-06-09 21:16:54 +02:00
appveyor.yml appveyor: bump 3 VS2022 jobs to VS2026 2026-06-09 21:16:54 +02:00
CHANGES.md
CMakeLists.txt tidy-up: prefer spelling 'flavor', where missing 2026-06-15 03:28:42 +02:00
configure.ac configure: tidy up OPT_APPLE_SECTRUST initialization 2026-06-16 22:18:43 +02:00
COPYING
curl-config.in
Dockerfile GHA: update debian:bookworm-slim Docker digest to 96e378d 2026-06-11 19:31:47 +02:00
GIT-INFO.md
libcurl.pc.in
Makefile.am rtmp: drop support 2026-03-21 14:56:06 +01:00
README
README.md rtmp: drop support 2026-03-21 14:56:06 +01:00
RELEASE-NOTES RELEASE-NOTES: synced 2026-06-16 23:22:58 +02:00
renovate.json renovate: use standard bump formula for OpenSSL 2026-04-15 10:17:33 +02:00
REUSE.toml github: Add AI usage warning to issue, doc and PR templates 2026-06-02 13:47:01 -04:00
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.

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Source code

Download the latest source from the Git server:

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

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Report suspected security problems privately and not in public.

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