diff --git a/README.md b/README.md
index f4773ba..01fd5a0 100644
--- a/README.md
+++ b/README.md
@@ -171,6 +171,14 @@ A certain amount of (domain- or business-specific) analysis is necessary to crea
             PhishTank delivers a list of suspected phishing URLs. Their data comes from human reports, but they also ingest external feeds where possible. It's a free service, but registering for an API key is sometimes necessary.
         </td>
     </tr>
+    <tr>
+        <td>
+            <a href="https://github.com/Neo23x0/signature-base" target="_blank">signature-base</a>
+        </td>
+        <td>
+            A database of signatures used in other tools by Neo23x0.
+        </td>
+    </tr>
     <tr>
         <td>
             <a href="https://sslbl.abuse.ch/" target="_blank">SSL Blacklist</a>