Tools
Tools that help you build a CustomTkinter app, like theme editors and GUI designers. If you want your project to be featured, create a Discussion entry in the 'Showcase' category, I will read all of these posts and occasionally add new projects. If you don't want your project to be featured here write me at contact@customtkinter.tomschimansky.com.

CTk Theme Builder
Desktop editor for CustomTkinter themes, with a live preview of all widgets in light and dark mode.

CTkThemesPack
Collection of ready-made theme files for CustomTkinter, each shown in light and dark mode.
CustomTkinter Builder
Open-source drag-and-drop GUI builder for CustomTkinter that exports the Python code of your layout.

CTkMaker
Visual designer for CustomTkinter: place widgets, change their properties live and export the app as Python code.

PyUIBuilder
GUI builder in the browser for tkinter and CustomTkinter, which exports the finished layout as Python code.
tkinter-toolkit
App with an overview of modern widget libraries and tools for tkinter and CustomTkinter, with a preview of each.