diff --git a/README.md b/README.md
index a74caf6..5aba4b1 100644
--- a/README.md
+++ b/README.md
@@ -63,6 +63,8 @@ If you want to contribute to this list (please do), send me a pull request or co
 * [MALLET](http://mallet.cs.umass.edu/) - A Java-based package for statistical natural language processing, document classification, clustering, topic modeling, information extraction, and other machine learning applications to text.
 * [OpenNLP](https://opennlp.apache.org/) - a machine learning based toolkit for the processing of natural language text.
 * [LingPipe](http://alias-i.com/lingpipe/index.html) - A tool kit for processing text using computational linguistics.
+* [ClearTK](https://code.google.com/p/cleartk/) - ClearTK provides a framework for developing statistical natural language processing (NLP) components in Java and is built on top of Apache UIMA.
+* [Apache cTAKES](http://ctakes.apache.org/) - Apache clinical Text Analysis and Knowledge Extraction System (cTAKES) is an open-source natural language processing system for information extraction from electronic medical record clinical free-text.
 
 #### General-Purpose Machine Learning