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 5409 pack­ages. 2469 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.

Here ap­pears a re­spec­tive di­a­gram in newer browsers.

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 2017


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 Se­cu­rity in the Cat­a­logue has 6 pack­ages for doc­u­ment se­cu­rity mea­sures.


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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