= IETF Applications and Real Time (ART) Area = These pages provide information about application protocols such as email and the web. For general discussion of ART related topics, join the [https://www.ietf.org/mailman/listinfo/art art] mailing list. Specification authors will want to be familiar with [wiki:TypicalARTAreaIssues Typical ART Area Issues] that often need to be addressed in Internet-Drafts. Authors might also find the following tools to be helpful: * [http://tools.ietf.org/tools/bap/abnf.cgi ABNF Checker] * [http://tools.ietf.org/tools/msglint/ Email Header Checker] * [http://tools.ietf.org/tools/idnits/ IDnits] * [http://tools.ietf.org/inventory/verif-tools Tools Team Tools] * [http://xml.resource.org/ xml2rfc] * [http://fenron.net/~fenner/ietf/xml2rfc-valid/ xml2rfc Validator] * [http://www.w3.org/2001/03/webdata/xsv XML Schema Validator] * [http://validate.openlaboratory.net/ XML Schema Validator (alternate)]