# [](https://curl.se/) 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)] ## Sponsors Support this project by becoming a [sponsor](https://curl.se/sponsors.html).