What are the resource types for DataCite DOIs?

The resourceTypeGeneral is one of the required metadata fields for registering a DOI. The list of resource types can be found in the DataCite Metadata Schema. It is a controlled vocabulary list and includes:

Audiovisual
Book
BookChapter
Collection
ComputationalNotebook
ConferencePaper
ConferenceProceeding
DataPaper
Dataset
Dissertation
Event
Image
InteractiveResource
Instrument
Journal
JournalArticle
Model
OutputManagementPlan
PeerReview
PhysicalObject
Preprint
Report
Service
Software
Sound
Standard
StudyRegistration
Text
Workflow
Other