jBASE International - MultiValue/Pick multidimensional database management system and related tools. Revelation Software - Vendor of OpenInsight and other MultiValue/Pick tools and products for Microsoft Windows and network environments, plus Java for OpenInsight (JOI) toolset for Java component-based applications. InterSystems Corporation - Develops, sells, and supports Caché, a high-performance post-relational multidimensional database and rapid application development environment designed for enterprise-class client/server and Web-based transaction-processing applications. OpenQM - A MultiValue/Pick database available both as a fully supported commercial product and in open source form for the GNU/Linux version. Developed by Ladybridge Systems Ltd. Rocket Software: U2 Product Family - Extended relational (MultiValue/Pick) databases, UniData and UniVerse (U2), offer high performance, scalable data management environments for embedding in vertical applications. Related tools are SystemBuilder RAD/4GL for application building, U2 Web Development Environment, and wIntegrate for terminal emulation. ONgroup - Offers ONware, an Application Program Interface (API) that allows users of MultiValue/Pick databases to run applications on Oracle and Microsoft SQL Server databases. Supports Blacksmith and Cuebic application development tools. ScarletDME - Open source MultiValue/Pick database derived from OpenQM. Electronic Data Processing PLC (EDP) - Offers UniVision database management system integrating MultiValue/Pick database and client/server technologies in a single product. Sells and supports a number of business applications. Rocket Software: D3 Product Family - Multidimensional MultiValue/Pick database management systems D3, mvEnterprise and mvBase, plus related connectivity tools.