| AttributeHelper | Helper to manage attribute compares. |
| FormCompare | |
| KeyCommentHelper | Helper class with comment for net,component or test point. |
| KeyCommentHelperTP | Helper class with comment for net,component or test point. |
| NetDetails | |
| TestPointCompareEntry | |
| TestPointData | |
| XMLCurrentWork | Save and import comments for current work. |
| XMLSettings | Settings for comparison, with options for all sub checks (cmp, net and testpoints). |