Add OPSI in IT Assets Management Software

README.md

@@ -319,6 +319,7 @@
 
   * [GLPI](http://www.glpi-project.org/spip.php?lang=en) - Information Resource-Manager with an additional Administration Interface.
   * [OCS Inventory NG](http://www.ocsinventory-ng.org/en/) - Enables users to inventory their IT assets.
+  * [OPSI](http://www.opsi.org/en) - Hardware and software inventory, deployment, and patching for Linux and Windows.
   * [RackTables](http://racktables.org/) - Datacenter and server room asset management like document hardware assets, network addresses, space in racks, networks configuration.
   * [Ralph](https://github.com/allegro/ralph) - Asset management, DCIM and CMDB system for large Data Centers as well as smaller LAN networks.
   * [Snipe IT](https://snipeitapp.com/) - Asset & license management software.