| AbstractCrossSelling | An abstract cross-selling implementation which can be used for each pro product of devowl.io. |
| CrossRealCategoryLibrary | Cross-selling for Real Category Management. |
| CrossRealCookieBanner | Cross-selling for Real Cookie Banner. |
| CrossRealMediaLibrary | Cross-selling for Real Media Library. |
| CrossRealPhysicalMedia | Cross-selling for Real Physical Media. |
| CrossSellingHandler | Cross-selling handler. |