Zoem is a language for transforming text. It supports the creation of light-weight mark-up languages as macro packages built on top of zoem.

Zoem submits text to a two-stage transformation process. Macro expansion and interpretation is followed by application of customizable character filtering rules. Zoem supports inside-out evaluation, comprehensive IO, control operators, iteration, dictionary stacks, multidimensional data storage, arithmetic expressions, regular expressions, system commands, and more.