diff --git a/README.md b/README.md
index 4dd3b2a..2e71c59 100644
--- a/README.md
+++ b/README.md
@@ -150,6 +150,8 @@ Thanks to all [contributors](https://github.com/sbilly/awesome-security/graphs/c
 - [fwknop](https://www.cipherdyne.org/fwknop/) - Protects ports via Single Packet Authorization in your firewall.
 
 ### Anti-Spam
+- [Spam Scanner](https://github.com/spamscanner) - Anti-Spam Scanning Service and Anti-Spam API by [@niftylettuce](https://github.com/niftylettuce).
+- [rspamd](https://github.com/rspamd/rspamd) - Fast, free and open-source spam filtering system.
 - [SpamAssassin](https://spamassassin.apache.org/) - A powerful and popular email spam filter employing a variety of detection technique.