SVF (Simple Vector Format), SVF specification

Software, Aeronautical Software Algorithms Developer, CR2V - Celinea, Digital Craft SVG Page, Doing It With SVG, Dotuscomus SVG Space, Ecrion: SVG and XSL-FO rendering software, Explore SVG ; examples and resources, Future of Web Graphics in SVG, KevLinDev, Learn SVG: The Web Graphics Standard

Vector Markup Language (VML) Submission to W3C, VML Provides XML-based Graphics for the Web, VML Source, VMLmaker, Web Workshop - Specs & Standards -- VML Overvi

W3C Overview of WebCGM, W3C WebCGM specification