Here is a non-exhaustive list of different graphic organizer types with templates you can make a copy of and use with students.
Type & Description
Brainstorming - processing information prior to or just after learning
Cause and Effect -
shows the relationship between two or more ideas, concepts, topics, etc.
Compare/Contrast - identify the similarities and differences between two or more concepts.
Concept Map - central idea with corresponding characteristics.
Flow Diagram or Sequence Chart - shows a series of events or steps in an order.
Main Idea and Details - shows relationship between major concept and supporting elements
Semantic - shows relationships between words and meanings - shows relationships between words and meanings