• AmsLaTeX, mathematical support from the AMS;
• The babel package for multilingual typesetting;
• Standard LaTeX support for using Cyrillic alphabet fonts;
• The standard LaTeX graphics and colour packages;
• Basic support for using common Adobe Type 1 fonts with LaTeX—the “psnfss”; and
• Basic “LaTeX latex-tools”.

The authors are The LaTeX Team, Sebastian Rahtz, Walter Schmidt and Vladimir Volovich.