diff --git a/README.md b/README.md
index f517e02..d082d51 100644
--- a/README.md
+++ b/README.md
@@ -240,6 +240,8 @@ research.
   instance.
 * [MASTIFF Online](https://mastiff-online.korelogic.com/) - Online static
   analysis of malware.
+* [Metadefender.com](https://www.metadefender.com) - Scan a file, hash or IP
+  address for malware (free)
 * [Noriben](https://github.com/Rurik/Noriben) - Uses Sysinternals Procmon to
   collect information about malware in a sandboxed environment.
 * [PDF Examiner](http://www.pdfexaminer.com/) - Analyse suspicious PDF files.