Ginkgo CADx evolved quickly for a while some years ago (while it was partly funded by the Spanish government and developed by a private company), but that project and company closed. The code was released as open source and it gets some commits every once in a while by volunteers.
It has a weird UX/UI, but it might be enough for you.
It has a weird UX/UI, but it might be enough for you.
Also, it's packaged on most distributions.
https://github.com/gerddie/ginkgocadx