diff --git a/README.md b/README.md
index b8e5636..e92ab24 100644
--- a/README.md
+++ b/README.md
@@ -409,6 +409,7 @@ Miscellaneous utilities and web interfaces for identity management systems.
 IT [asset management](https://en.wikipedia.org/wiki/Asset_management) software.
 
 - [GLPI](https://www.glpi-project.org/) - Information Resource-Manager with an additional Administration Interface. ([Source Code](https://github.com/glpi-project/glpi)) `GPL-3.0` `PHP`
+- [OCO](https://oco.sieber.systems/) - Self-hosted endpoint management solution - client & server inventory, configuration & policy management, software deployment, mobile device management. ([Source Code](https://github.com/schorschii/OCO-Server)) `GPL-3.0` `PHP/Python`
 - [OCS Inventory NG](https://ocsinventory-ng.org/) - Asset management and deployment solution for all devices in your IT Department. ([Source Code](https://github.com/OCSInventory-NG)) `GPL-2.0` `PHP/Perl`
 - [openDCIM](https://opendcim.org/) - GPL v3 Data Center Inventory Management (DCIM). ([Source Code](https://github.com/opendcim/openDCIM), [Demo](https://opendcim.org/demo.html)) `GPL-3.0` `PHP/JavaScript`
 - [OPSI](https://www.opsi.org) - Hardware and software inventory, client management, deployment, and patching for Linux and Windows. ([Source Code](https://github.com/opsi-org/)) `GPL-3.0/AGPL-3.0` `OVF/Python`