7. RestDoctrine REST Server and Client Library
9. Doctrine1[Abandoned - please upgrade to Doctrine 2] Doctrine 1 Object Relational Mapper
11. InflectorDoctrine Inflector is a small library that can perform string manipulations with regard to uppercase/lowercase and singular/plural forms of words.
12. LexerBase library for a lexer that can be used in Top-Down, Recursive Descent Parsers.
17. OxmPHP Object to XML Mapping (OXM)
18. OrmDoctrine Object Relational Mapper (ORM)
19. DbalDoctrine Database Abstraction Layer
26. Sql FormatterA lightweight php class for formatting sql statements. Handles automatic indentation and syntax highlighting.
30. Event ManagerThe Doctrine Event Manager is a library that provides a simple event system.
38. PersistenceThe Doctrine Persistence project is a library that provides common abstractions for object mapper persistence.
39. ReflectionThe Doctrine Reflection project is a simple library used by the various Doctrine projects which adds some additional functionality on top of the reflection API that comes with PHP. It allows you to get the reflection information about classes, methods and properties statically.
40. SearchGeneric Search extension for indexing and querying ODM/ORM objects with different text-search engine implementations