# ISPsystem IT infrastructure management platforms for hosting providers, data centers, and enterprises. > Founded in 2004 | 300,000+ servers worldwide | 100+ countries ## Core products - VMmanager: Virtualization management platform for VPS/VDS hosting and fault-tolerant clusters. Supports 22,000+ VMs, 50+ clusters, 350+ physical servers per installation. https://www.ispsystem.com/vmmanager - DCImanager: Physical IT infrastructure management for dedicated servers and colocation. Multi-vendor support for servers, racks, switches, PDUs, UPSs. Used by 300+ clients with 70,000+ servers. https://www.ispsystem.com/dcimanager - BILLmanager: Billing and service automation for hosting providers, cloud providers, and service delivery. https://www.ispsystem.com/billmanager ## Success stories - Hyper Expert: Cloud hosting provider infrastructure - 4VPS: Centralized infrastructure management - Unihost.kz: IT infrastructure modernization - PQ.Hosting: 40,000 servers management https://www.ispsystem.com/#success-stories ## Resources - Product documentation: https://docs.ispsystem.com/ - Knowledge base: https://www.ispsystem.com/knowledge-base ## Full documentation For complete product documentation in a single file, see: https://www.ispsystem.com/llms-full.txt