Kolbasoft [ Must Watch ]

: The framework fully supports standard construction objects, such as polylines, arcs, circles, text, hatches, dimensions, and blocks. The Royalty-Free Licensing Advantage

: While originally developed as a testing tool for the SDK’s API, the LiteCAD editor evolved into a functional, standalone CAD application used for viewing and editing drawings. kolbasoft

Predicting the future of a one-person project is difficult. Development appears to have slowed, but several factors suggest it may continue to have a future: such as polylines