diff --git a/README.md b/README.md
index dfcd809..970c78f 100644
--- a/README.md
+++ b/README.md
@@ -510,6 +510,7 @@ _Related: [Metrics & Metric Collection](#metrics--metric-collection)_
 - [Sensu](https://sensu.io/) - Monitoring tool for ephemeral infrastructure and distributed applications. ([Source Code](https://github.com/sensu/sensu-go)) `MIT` `Go`
 - [Status](https://github.com/dani3l0/Status) - Simple and lightweight system monitoring tool for small homeservers with a pleasant web interface. ([Demo](https://status.enshittification.social/) `MIT` `Python`
 - [Thruk](https://www.thruk.org/) - Multibackend monitoring web interface with support for Naemon, Nagios, Icinga and Shinken. ([Source Code](https://github.com/sni/Thruk)) `GPL-1.0` `Perl`
+- [tirreno](https://www.tirreno.com/) - An open-source SIEM to monitor and protect your web application from cyber fraud, account takeovers, fake accounts, and abuse. ([Demo](https://play.tirreno.com/), [Source Code](https://github.com/TirrenoTechnologies/tirreno)) `AGPL-3.0` `PHP`
 - [Wazuh](https://wazuh.com/) - Unified XDR and SIEM protection for endpoints and cloud workloads. ([Source Code](https://github.com/wazuh/wazuh)) `GPL-2.0` `C`
 - [Zabbix](https://www.zabbix.com/) - Enterprise-class software for monitoring of networks and applications. ([Source Code](https://git.zabbix.com/projects/ZBX/repos/zabbix/browse)) `GPL-2.0` `C`