RackTables - Racktables is a nifty and robust solution for datacenter and server room asset management.
Taiga - Project management platform for agile developers & designers
DCImanager - DCImanager is a platform for managing physical equipment. Connect any physical equipment to a single platform. Use the platform to manage your servers, switches, PDU as well as physical and virtual networks.
TargetProcess - Agile Project Management Web Application
Opendcim - a free, web based Data Center Infrastructure Management application.
Plan.io - Planio makes web based project management and team collaboration more efficient and fun. It is the perfect platform for your projects, team members and clients.