Great news for the xBase community in general (Clipper, [x]Harbour, VO, Visual Fox Pro)
Xailer.com Team Announcement: https://xailer.info/wordpress/en/?p=375
(after you apply for the license, you will receive the email with the serial number and download links)
Besides the official forum, in the Xailer (DevClub) section you can also post your questions and help other users: https://idlagam.com/forum/all-xbase/