diff --git a/README.md b/README.md
index df8b372..5485a27 100644
--- a/README.md
+++ b/README.md
@@ -158,6 +158,7 @@ Thanks to all [contributors](https://github.com/sbilly/awesome-security/graphs/c
 - [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.
+- [Scammer-List](https://scammerlist.now.sh/) - A free open source AI based Scam and Spam Finder with a free API
 
 
 ### Docker Images for Penetration Testing & Security
@@ -254,6 +255,7 @@ Thanks to all [contributors](https://github.com/sbilly/awesome-security/graphs/c
 ### Organization
 
 - [OWASP](http://www.owasp.org) - The Open Web Application Security Project (OWASP) is a 501(c)(3) worldwide not-for-profit charitable organization focused on improving the security of software.
+- [Portswigger](https://portswigger.net) - PortSwigger offers tools for web application security, testing & scanning. Choose from a wide range of security tools & identify the very latest vulnerabilities.
 
 ### Web Application Firewall
 
@@ -331,6 +333,7 @@ Provided data: IPv4 hosts, sub/domains/whois, ports/banners/protocols, technolog
 
 - [Qubes OS](https://www.qubes-os.org/) - Qubes OS is a free and open-source security-oriented operating system meant for single-user desktop computing.
 - [Whonix](https://www.whonix.org) - Operating System designed for anonymity.
+- [Tails OS](https://tails.boum.org/) - Tails is a portable operating system that protects against surveillance and censorship. 
 
 ### Online resources