diff --git a/README.md b/README.md
index 3af50ac..6771606 100644
--- a/README.md
+++ b/README.md
@@ -699,6 +699,7 @@ A curated list of awesome Java frameworks, libraries and software.
 * [jjwt](https://github.com/jwtk/jjwt) - Java JWT: JSON Web Token for Java and Android.
 * [Keycloak](http://keycloak.jboss.org/) - Integrated SSO and IDM for browser apps and RESTful web services.
 * [Keyczar](https://github.com/google/keyczar) - Easy to use, yet safe encryption framework with key versioning.
+* [Nbvcxz](https://github.com/GoSimpleLLC/nbvcxz) - Advanced password strength estimation.
 * [OACC](http://oaccframework.org/) - Provides permission-based authorization services.
 * [pac4j](https://github.com/pac4j/pac4j) - Security engine.
 * [PicketLink](http://picketlink.org/) - Umbrella project for security and identity management.