Parser
- Stanford parser: syntax and dependency parser (Java)
- MST parser: dependency parser (Java)
- Collins parser: syntax parser (C++) ; Dan Bikelduplicates in Java.
- Charniakparser: syntax parser (C++)
English NP chunker
- OpenNLP: Java
- GATE: Java
- Ramshaw&Marcus: Java
Named Entities Recognizer
- Stanford NER: Java
- MinorThird: Java ( from William Cohen’s group at CMU)
- OpenNLP
- GATE