Accounts are limited to persons affiliated with corporations and universities that host PlanetLab nodes. However, a number of free, public services have been deployed on PlanetLab, including Codeen, the Coral Content Distribution Network, and Open DHT
PlanetLab members actively participate in developing tools for the greater good of the community, and as a result each user has a wide choice of tools to use in order to complete regular slice maintenance tasks.
PlanetLab experiences have been critical in the formulation of the US National Science Foundation GENI - Global Environment for Network Innovations initiative.