TeX Live is one of the largest TeX distributions available. It is now available for MorphOS as torrent download:
http://d-fence.sytes.net/amigaNot all parts are ported, e.g. some unicode tools, xetex, luatex, etc., but the most important parts are working (pdflatex, bibtex, etc. including all tex/latex packages). See the website for more details.