We are moving to Slack, please join us with https://join.slack.com/t/kedro-org/shared_invite/zt-1eicp0iw6-nkBvDlfAYb1AUJV7DgBIvw For the short answer. You are free to organise your code as a typical python library, not everything belongs to a pipeline and node. For example, you can have a

package.common

or

package.utils

module. Reusing a function in multiple nodes is not uncommon.