Welcome to NCL Composer

NCL Composer is a multiplataform and flexible multimedia authoring tool to create Interactive Digital TV (iDTV) applications in NCL (Nested Context Language).








If you are using or want to reference NCL Composer in an academic work, please use one of the following reference:

- Composer: meeting non-functional aspects of hypermedia authoring environment (R. G. A. Azevedo, E. C. Araújo, B. Lima, L. F. G. Soares, M. F. Moreno), In Multimedia Tools and Applications, Springer US, 2014.

- Composer 3: Ambiente de Autoria Extensível, Adaptável e Multiplataforma (B. S. Lima, R. G. A. Azevedo, M. F. Moreno, L. F. G. Soares), In XVI Simpósio Brasileiro de Sistemas Multimídia e Web (WebMedia 2010), 2010. (I Worshop de TV Digital)

NCL Composer Beta (0.1.1) Intro video · (11 Comments)

Hi everyone,

we have developed an introductory video to the BETA version (0.1.1) of NCL Composer. The video shows how to create a complete application from scratch. By now, the audio is only in Portuguese.


Latest News

NCL Composer 0.1.7 released · (0 Comments)

Release 0.1.7 of NCL Composer is out. This new release is a bug fix release. Thus, you will not find a lot of new features, but mainly improved ones.

This version is also a preparation for the next major version 0.2.0, when we will fully support Qt 5.0. Currently, you are able to build the source code with Qt 4.8 or Qt 5.x. However, our currently release binaries is still based on Qt 4.8.

The main issues included in this version are:


NCL Composer 0.1.6 released · (0 Comments)

Release 0.1.6 of NCL Composer is out. This release mainly includes improvements in the layout view (including a new toolbar) and structural view (including a new minimap for navigation), and also a lot of bug fixes. The main issues included in this version are:


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