Sascha Frinken 57c2690f7e MQTT.md: remove no TLS (mqtts) support
As curl now supports TLS (mqtts), it is no longer necessary to list it
as a limitation in the docs.

Closes #20343
2026-01-18 16:43:18 +01:00
2026-01-17 22:43:36 +01:00
2026-01-17 22:49:34 +01:00
2026-01-17 22:43:36 +01:00
2025-09-02 08:36:40 +02:00
2024-07-02 19:26:15 +02:00
2026-01-01 12:20:10 +01:00
2026-01-15 13:06:13 +01:00
2025-12-09 00:19:10 +01:00

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, POP3, POP3S, RTMP, RTMPS, 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 via our HackerOne page and not in public.

Backers

Thank you to all our backers 🙏 Become a backer.

Sponsors

Support this project by becoming a sponsor.

Description
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
Readme 277 MiB
Languages
C 74.1%
Perl 8.5%
Python 5.2%
M4 4.8%
CMake 2.7%
Other 4.6%