ChapMaker is a new idea for working on texts like essays, articles, documentations or books. It is a simple texteditor with connection to a central database server. Different users from different locations are able to work on their projects together.
preview-latex, the higly addictive and productive LaTeX previewing and folding tool for Emacs, has become part of the AUCTeX project at http://savannah.gnu.org/projects/auctex now and is integrated since version 11.80.
TX is a free and opensource cross-platform Computer Assisted Translation tool with translation memory, full and partial matches, machine translation, glossaries, search engine, support for various document types, and translation projects.