1. Kubectx: Kubectx is a command-line tool for switching between Kubernetes contexts, which allows users to easily manage multiple clusters and namespaces.

2. Minikube: Minikube is a tool that allows users to quickly set up a local Kubernetes cluster for development and testing purposes.

3. Installation: Kubectx can be installed by downloading the binary and adding it to the system's path, while Minikube requires downloading and installing the relevant package for the specific operating system.

4. Multi-Cluster Management: Kubectx provides a convenient way to switch between different Kubernetes clusters by using simple commands, while Minikube focuses on creating a single local cluster for development purposes.

5. Namespace Switching: Kubectx allows users to switch between different namespaces within a cluster easily, enabling seamless management of different sets of resources. Minikube also supports namespace switching but is more focused on the setup and management of a single cluster.

6. Resource Requirements: Kubectx has lower resource requirements as it is mainly a command-line tool for managing contexts and doesn't require the setup of actual clusters. Minikube, on the other hand, requires virtualization technology and additional resources to run a local Kubernetes cluster.

In Summary, Kubectx is a command-line tool for easily managing multiple Kubernetes contexts and namespaces, while Minikube is focused on setting up and managing a single local Kubernetes cluster for development and testing purposes.