CTAN Comprehensive TeX Archive Network

The Comprehensive Archive Network

The Comprehensive Archive Network (CTAN) is the central place for all kinds of material around . CTAN has currently 5916 packages. 2718 contributors have contributed to it. Most of the packages are free and can be downloaded and used immediately.

Announcements on CTAN-announce

You can see what's new and even get informed about new or updated packages on CTAN.


Activity on CTAN

An active community takes care that CTAN is updated and extended regularly. CTAN receives usually more than 100 uploads per month.

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Browse CTAN

This Web interface to CTAN provides a view on the directories and files in the archive. The files and some directories as a whole can be immediately be downloaded. You can immediately go to the

Contribute to CTAN

CTAN lives from the contributions of software and package contributors. Thus you are strongly encouraged to submit your contribution to the world to CTAN. You can use a Web form to upload your contribution:

Background of CTAN

If you are interested in the background of the Comprehensive Archive Network you can read more on

TeX Collection 2020


The contents of CTAN and ready to run systems can be obtained on DVD.

The DVD is distributed to the members of many user groups. Consider becoming a member of a user group if you want to receive it.

Did you know?

The topic File card in the Catalogue has 6 packages for typeset cards for business, filing, etc..


is a typesetting program designed for high-quality composition of material that contains a lot of mathematical and technical expressions. It has been adopted by many authors and publishers who generate technical books and papers. It was created by Professor Donald E.­Knuth of Stanford University, originally for preparation of his book series “The Art of Computer Programming”. has been made freely available by Knuth.

From these origins a whole eco-system of distributions, macro packages, and supporting programs has arisen.


Download a System

CTAN provides complete ready-to run systems for various platforms:

  •  Live a cross-platform system. It includes support for most Unix-like systems, including GNU/Linux, Mac OS X, and Windows.
  • Mac an easy to install system for Mac OS X, based on  Live. It also includes a native Mac installer, the Shop front-end, and additional Mac-specific tools.
  • prot an easy to install system for Windows. It is based on MiK, with a detailed document to guide your installation and additional Windows-specific tools.


User Groups

Many users of and friends have formed user groups. The following ones are mentioned because they support CTAN.

The Users Group (TUG) is a not-for-profit organization by, for, and of its members, also representing the interests of users worldwide.

The Deutschsprachige Anwendervereinigung e.V. (DANTE) is the users group for German speaking users.


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