ProxLB is an open-source lightweight load-balancing and placement helper designed for Proxmox VE environments, helping operators make smarter scheduling and availability decisions for virtual machines and containers. It provides advanced features such as pinning, affinity and anti-affinity rules, maintenance mode, and intelligent node selection to keep workloads where they belong. With a strong focus on simplicity and native integration, ProxLB enhances cluster resilience while remaining easy to deploy and operate.