OpenOrienteering Mapper is an Orienteering map drawing program and offers a free alternative to OCAD. Its main advantages are:
- Open Source, that is, its development can be done by any programmer.
- Multiple platforms: works on Android, Windows, macOS and Linux.
Although it is under continuous development and is still considered to be in beta status, it has already been used to produce maps for official competitions around the world. All essential functions for drawing Orientation maps are already implemented.