GLPI - Information Resource-Manager with an additional Administration Interface. (Source Code) GPL-3.0PHP
OCS Inventory NG - Asset management and deployment solution for all devices in your IT Department. (Source Code) GPL-2.0PHP/Perl
OPSI - Hardware and software inventory, client management, deployment, and patching for Linux and Windows. (Source Code) GPL-3.0/AGPL-3.0OVF/Python
RackTables - Datacenter and server room asset management like document hardware assets, network addresses, space in racks, networks configuration. (Demo, Source Code) GPL-2.0PHP
Ralph - Asset management, DCIM and CMDB system for large Data Centers as well as smaller LAN networks. (Demo, Source Code) Apache-2.0Python/Docker