W3C Voice related standards: Voice XML 2.0 standard and 2.1 add-on Speech Synthesis Markup Language (SSML) Speech Recognition Grammar Specification (SRGS) Semantic Interpretation for Speech Recognition (SISR) Pronunciation Lexicon Specification (PLS) Voice Browser Call Control (CCXML) XHTML+Voice Profile VoiceXML DB Scape is member of the VXML forum, an industry organization that aims to drive the market for voice-enabled services trough the creation of a common specification based on internet standards. Java programming language J2EE platforms like Apache Tomcat SQL Relational DataBase Management Systems (ISO/IEC 9075) Protégé, ontology and knowledge-base editor with an OWL plugin MS Windows and Unix/Linux operating Systems