Total Network Inventory - Total Network Inventory is a piece of software designed to help with managing software inventory and auditing PC systems.
inFlow Inventory - inFlow Inventory is inventory management software for small businesses.
Lansweeper - Lansweeper discovers Windows, Linux and Mac machines in your network.
Snipe-IT - Managing assets with a Google doc or a shared Excel spreadsheet is more common than you think.
Kuwaiba - Kuwaiba is an open source, enterprise grade network inventory and CMDB for your telecommunications and IT infrastructure
Skyware Inventory - Web-based Inventory Management.