diff --git a/README.md b/README.md
index ec3cd73..f60e7f1 100644
--- a/README.md
+++ b/README.md
@@ -248,6 +248,7 @@ executables.
   files.
 * [PEV](http://pev.sourceforge.net/) - A multiplatform toolkit to work with PE
   files, providing feature-rich tools for proper analysis of suspicious binaries.
+* [PortEx](https://github.com/katjahahn/PortEx) - Java library to analyse PE files with a special focus on malware analysis and PE malformation robustness.
 * [Rootkit Hunter](http://rkhunter.sourceforge.net/) - Detect Linux rootkits.
 * [ssdeep](https://ssdeep-project.github.io/ssdeep/) - Compute fuzzy hashes.
 * [totalhash.py](https://gist.github.com/gleblanc1783/3c8e6b379fa9d646d401b96ab5c7877f) -