Ringdove 2D CAD library framework

 librnd is a modular framework library for 2D CAD applications. It
 provides the following built-in features:
   - hierarchic configuration files
   - flexible menu and hotkey system
   - HID API for CLI/GUI frontend
   - multi-layer rendering support
   - interactive drawing tool infrastructure
   - action infrastructure
   - polygon clipping
   - turing complete user scripting
 .
 Supported via plugins:
   - CLI/batch frontend
   - gtk2 frontend with gdk software rendering
   - gtk2 frontend with gl hardware accelerated rendering
   - gtk4 frontend with gl hardware accelerated rendering
   - lesstif/motif frontend