docker: added management tools

wiki/docker.md

@@ -15,6 +15,13 @@ and then add your user to the group using `sudo usermod -aG docker $USER`.
 After that relog into your machine and you should be able to run
 `docker run hello-world`.
 
+## Tools and Visualisation
+
+The programs below are useful docker-management systems in different style.
+
+- [ctop](https://github.com/bcicen/ctop): top-like cli interface for containers
+- [portainer](portainer.md): web ui for managing docker and kubernetes
+
 ## Enable Nvidia GPUs
 
 To use Nvidia GPUs with docker you need to install the nvidia-cuda-toolkit.