We used WooCommerce for years, but the recent WordPress controversy forced us to look at less risky alternatives. What we like about Backdrop is that it is mature, well-run and offers the long-term product support we need, free of the drama and potential legal issues plaguing WordPress.
We rely on the Drupal 4 Ever team to keep our legacy Drupal 7 website running smoothly while we prepare to transition to Backdrop CMS. We are unable to move until certain critical Ubercart modules are ported - but as soon as they are ready we expect to have a fast and smooth transition