A great collection of ideas and resources. Here are a handful (click through for the rest):
What Are The Best Graphic Organization Tools?
There are various ways you can go about creating concept maps, webs, and mind maps.
There are some great software programs you can buy or download. For example, check out Inspiration, Edraw or Creately. These programs allow your students to create their own visuals and explore technology.
Otherwise, you can download pre-formatted templates. For example, here are some graphic organizer templates that are specifically designed to help facilitate the writing process.
If you need even more inspiration, check out this list of graphic organizer resources. You’re sure to find what you need there!