LaTeX is a document preparation system for high-quality typesetting.
2005/12/01
LaTeX Project Public License (LPPL)
Firefox is the popular open source web browser from Mozilla
Full-featured open source office productivity suite, featuring word processor, spreadsheet, presentation, drawing and database packages; free MS Office replacement.
A freely distributed piece of software for such tasks as photo retouching, image composition and image authoring.
Wikipedia is a global and multilingual Web-based cooperative free-content encyclopedia.
industry standard open source web server