| Name | Description | Type | Package | Framework |
| FMath | Performs elementary mathematical operations and function evaluations. | Class | imagescience.utility | Fiji |
| Formatter | Converts floating-point numbers to formatted strings. | Class | imagescience.utility | Fiji |
| I5DResource | Provides Image5D utility methods. | Class | imagescience.utility | Fiji |
| LineReader | Reads text line-by-line from a character stream using buffering for efficiency. | Class | imagescience.utility | Fiji |
| Messenger | Displays various types of messages. | Class | imagescience.utility | Fiji |
| MouseCursor | Provides custom-made mouse cursors. | Class | imagescience.utility | Fiji |
| Progressor | Wrapper around ImageJ's progress bar. | Class | imagescience.utility | Fiji |
| Timer | Facilitates measuring of the computation time consumed by a process. | Class | imagescience.utility | Fiji |
| VersionChecker | Compares version strings. | Class | imagescience.utility | Fiji |
| VTKResource | Resource class for working with the Visualization Toolkit (VTK) in the current environment. | Class | imagescience.utility | Fiji |