WikiEducator (http://www.wikieducator.org) aims to provide the platform for collaborative development of a free education curriculum for all sectors and levels by 2015 using wiki technology ( read more about the strategy (http://wikieducator.org/WikiEducator:About)). According to its founder Wayne Mackintosh, WikiEducator is "the world's fastest growing and most productive wiki in the formal education sector".
It features some content in the area of TVET (http://www.wikieducator.org/Content#Technical_and_vocational_education), but other categories such as teacher education (http://www.wikieducator.org/Content#Teacher_Education) may be relevant in this context as well.
WikiEducator offers free Learning4Content (http://wikieducator.org/Learning4Content) workshops. During the 2-week training sessions participants learn to develop free content for learning, with a focus an wiki skills training in developing countries.