# EventMachine documentation guides # Welcome to the documentation guides for [EventMachine](http://github.com/eventmachine/eventmachine), a fast and simple event-processing library for Ruby programs (à la JBoss Netty, Twisted, Node.js and so on). ## Guide list ## * {file:docs/GettingStarted.md Getting started with EventMachine} * {file:docs/EventDrivenServers.md Writing event-driven servers} * {file:docs/EventDrivenClients.md Writing event-driven clients} * {file:docs/ConnectionFailureAndRecovery.md Connection Failure and Recovery} * {file:docs/TLS.md TLS (aka SSL)} * {file:docs/Ecosystem.md EventMachine ecosystem}: Thin, Goliath, em-http-request, em-websockets, Proxymachine and beyond * {file:docs/BlockingEventLoop.md On blocking the event loop: why it is harmful for performance and how to avoid it} * {file:docs/LightweightConcurrency.md Lightweight concurrency with EventMachine} * {file:docs/Deferrables.md Deferrables} * {file:docs/ModernKernelInputOutputAPIs.md Brief introduction to epoll, kqueue, select} * {file:docs/WorkingWithOtherIOSources.md Working with other IO sources such as the keyboard} ## Tell us what you think! ## Please take a moment and tell us what you think about this guide on the [EventMachine mailing list](http://bit.ly/jW3cR3) or in the #eventmachine channel on irc.freenode.net: what was unclear? What wasn't covered? Maybe you don't like the guide style or the grammar and spelling are incorrect? Reader feedback is key to making documentation better.