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There is an [http://en.wikipedia.org/wiki/Internet_Relay_Chat IRC] [irc://chat.freenode.net#context channel at freenode]. There are about 5-10 users online regularly, and there is a bot the TeXbot maintained by Troy Henderson that allows real-time testing of LaTeXConTeXt, MetaPost, and LaTeX code. See further down to learn how to use the bot; the basic IRC commands; and how to start using IRC in general. Sorry about putting the most introductory section at the bottom; it is there because it is also the longest section. == Using the bot ==  ConTeXt code: !c Here is my formula: \math{\int_a^b f(x)\,dx = F(b)-F(a)} MetaPost: !m draw fullcircle scaled 72; LaTeX: !l Here is my formula: \(\int_a^b f(x)\,dx = F(b)-F(a)\) The bot will respond with a link to the output.