- CSS_Parser
- Cascading Style Sheets lexer and parser
- Cache_Page
- Pluggable cache framework for web based output caching
- DB_OO2
- Object-relational mapping layer
- DB_OO3
- Object-relational mapping layer
- HTML_Template_PXT
- Pluggable XML Template system. A framework for template languages
- Mogul
- Mogul Web development framework
- Structures_CSS
- Data modelling classes for Cascading Style Sheets
- Structures_Form
- User input form data-model package
- Structures_Grammar
- Data structure package for describing a formal grammar
- Text_Parser
- Driver class for LALR text parsers
- Text_Parser_BNF
- Parser class for parsing Backus-Naur form grammars
- Text_Parser_Generator
- Compiler compiler that produces Text_Parser subclasses
- Text_Tokenizer
- Interface for a Text_Tokenizer
- Text_Tokenizer_Regex
- Text_Tokenizer implementation that tokenizes a string based on a set of regular expressions
- Text_Tokenizer_Regex_Matcher_Ext
- Text_Tokenizer_Regex_Matcher_Ext is a regexp matcher to be used wit Text_Tokenizer_Regex