From ConTeXt wiki
Some places to visit
- main ConTeXt site at PRAGMA ADE (Taco's mirror, mirror at contextgarden.net)
- online reference for commands: texshow-web
- do you have a TeX question? TeX Stack Exchange
- AUCTeX, Emacs TeX/ConTeXt/LaTex mode: 
ConTeXt on demand
- live.contextgarden lets you try ConTeXt without installing it
- MathML online test
- some more online interfaces to ConTeXt features both as HTML and PDF (list of the following); you must visit this login page first, otherwise the following links won't work
- This script provides an interface to ConTeXt’s page Imposition features (make booklets etc.)
- Here you can create n × m overviews (multiple pages on one sheet) of one or more PDF documents
- There is minimal typesetting involved in this interface: just a file listing.
- Here you can enter MathML code and test in what way you can control the output.
- You can use this interface to play with (combinations of) the Fonts that come with most TeX distributions.
- You can use this (dutch) interface to practice your handwriting, or let your kids practice theirs.
- You can use this interface to typeset documents with the latest ConTeXt.
- This is an interface to GhostScript, especially the PostScript to PDF converter.
- This document helps you to make resource libraries, formerly known as figure libraries (see XML, Image Database)
- You can keep track of what resources are used in a document. This document provides the interface to generating a log of used resources (see also Visual Debugging).
- This interface can be used to generate sheets with labels (stickers) or other grid oriented content. Each label is a separate page, and x × y pages are collected on a sheet.
ConTeXt user pages
- Taco Hoekwater’s ConTeXt page
- Bill McClain’s beginners page (esp. about fonts)
- Adam Lindsay’s typography page
- Hraban’s ConTeXt stuff and Font packages
- Nitram’s flowchart and table generator
- Simon Pepping’s XML-DocBook in ConTeXt
There is an IRC channel for ConTeXt.
- Matt Gushee's introduction to virtual fonts, especially for getting expert fonts to work.
- XeTeX, a new TeX processor for MacOS X (supported by ConTeXt since Context 2004.10.07)