WordPress Classifieds Theme Selection

10 Best Classified WordPress Themes 2018
https://athemes.com/collections/best-classified-wordpress-themes/

The non-Themeforest themes are as follows:

ClassiPress theme, claimed as being the bestselling classifieds theme for WordPress by AppThemes
https://www.appthemes.com/themes/classipress/

Classifieds theme by templatic
https://templatic.com/wordpress-classifieds-themes/classifieds/

ClassifiedEngine theme by EngineThemes
https://www.enginethemes.com/themes/classifiedengine/

ClassiCraft theme by InkThemes
https://www.inkthemes.com/market/classicraft-classified-wordpress-theme/