# [](https://curl.se/) [](https://bestpractices.coreinfrastructure.org/projects/63) [](https://scan.coverity.com/projects/curl) [](https://ci.appveyor.com/project/curlorg/curl) [](https://dev.azure.com/daniel0244/curl/_build/latest?definitionId=1&branchName=master) [](https://cirrus-ci.com/github/curl/curl) [](https://github.com/curl/curl/actions/workflows/linux.yml) [](https://github.com/curl/curl/actions/workflows/macos.yml) [](#backers) [](#sponsors) [](https://lgtm.com/projects/g/curl/curl/context:cpp) [](https://bugs.chromium.org/p/oss-fuzz/issues/list?sort=-opened&can=1&q=proj:curl) [](https://api.reuse.software/info/github.com/curl/curl) Curl is a command-line tool for transferring data specified with URL syntax. Find out how to use curl by reading [the curl.1 man page](https://curl.se/docs/manpage.html) or [the MANUAL document](https://curl.se/docs/manual.html). Find out how to install Curl by reading [the INSTALL document](https://curl.se/docs/install.html). libcurl is the library curl is using to do its job. It is readily available to be used by your software. Read [the libcurl.3 man page](https://curl.se/libcurl/c/libcurl.html) to learn how. You can find answers to the most frequent questions we get in [the FAQ document](https://curl.se/docs/faq.html). Study [the COPYING file](https://curl.se/docs/copyright.html) for distribution terms. ## Contact If you have problems, questions, ideas or suggestions, please contact us by posting to a suitable [mailing list](https://curl.se/mail/). All contributors to the project are listed in [the THANKS document](https://curl.se/docs/thanks.html). ## Commercial support For commercial support, maybe private and dedicated help with your problems or applications using (lib)curl visit [the support page](https://curl.se/support.html). ## Website Visit the [curl website](https://curl.se/) for the latest news and downloads. ## Git To download the latest source from the Git server, do this: git clone https://github.com/curl/curl.git (you will get a directory named curl created, filled with the source code) ## Security problems Report suspected security problems via [our HackerOne page](https://hackerone.com/curl) and not in public. ## Notice Curl contains pieces of source code that is Copyright (c) 1998, 1999 Kungliga Tekniska Högskolan. This notice is included here to comply with the distribution terms. ## Backers Thank you to all our backers! 🙏 [[Become a backer](https://opencollective.com/curl#backer)] [](https://opencollective.com/curl#backers) ## Sponsors Support this project by becoming a sponsor. Your logo will show up here with a link to your website. [[Become a sponsor](https://opencollective.com/curl#sponsor)] [](https://opencollective.com/curl/sponsor/0/website) [](https://opencollective.com/curl/sponsor/1/website) [](https://opencollective.com/curl/sponsor/2/website) [](https://opencollective.com/curl/sponsor/3/website) [](https://opencollective.com/curl/sponsor/4/website) [](https://opencollective.com/curl/sponsor/5/website) [](https://opencollective.com/curl/sponsor/6/website) [](https://opencollective.com/curl/sponsor/7/website) [](https://opencollective.com/curl/sponsor/8/website) [](https://opencollective.com/curl/sponsor/9/website)