General-purpose modeling

• The Unified Modeling Language, an industry standard for modeling software-intensive systems
• EXPRESS, a data modeling language for product data, standardized as ISO 10303-11
• IDEF, a group of languages from the 1970s that aimed to be neutral, generic and reusable
• Gellish, an industry standard natural language oriented modeling language for storage and exchange of data and knowledge, published in 2005
• XML, a data modeling language now beginning to be used to model code