Alternatives to Folder Colorizer

Menu bar icon organiser

Keyboard customiser

Icon creator and file and folder customiser

Menu bar manager

Change your app's icon

Quick Look extension for folders

Finder extension for changing folder colours

Tool to set light or dark appearance on a per-app basis

Utility to enhance the Open and Save dialogs in applications

Customise and maintain app icons

File and photo tweaking tool

Advanced Dock preferences