uxn is a little forth machine with 32 instructions.


it uses the postfix notation.


introduction to uxn programming book: is a beginner's, slow-paced and comprehensive guide of the uxntal programming language and the varvara computer.

introducción a programación uxn: es una guía para principiantes, lenta y comprensiva, del lenguaje de programación uxntal y del ordenador varvara.

these are revised versions of the tutorials below :)


uxn tutorial: a beginner's, slow-paced and comprehensive guide for programming the varvara computer based on the uxn core.

tutorial de uxn: una guía introductoria y pausada para programar la computadora varvara basada en el núcleo uxn.


intro to uxn programming: 2-hours long introductor workshop taught online via babycastles academy

external resources

learn-uxn by metasyn

uxn technical documentation

uxn illustrated notes

the uxntal opcode manual

uxntal cheatsheet

uxn repository

llllllll forum

awesome uxn: awesome things from the community

#uxn in merveilles

canal xmpp en español: uxñ en

projects and sketches

our projects and sketches are hosted in the uxnería

incoming links