HashiCorp Nomad is a powerful orchestration and scheduler tool that can be an easily operated Kubernetes alternative. Nomad provides an orchestrator for containers, virtual machines, and other resources. The de facto standard for a container orchestrator today is Kubernetes. However, Kubernetes is extremely challenging and complex. It requires a specialized skillset that can present a barrier to entry regarding running production workloads in self-hosted clusters.
Source: HashiCorp Nomad: An easy-to-use Kubernetes alterative for orchestrating containers