- Victor Shcherb - all parts of the project, originator
- Pavol Zibrita - first contributor and developer of some utilities
- Dusan Kazik - one of the first contributors
- Andre Van Atten - project supporter, active forum participant, one of the first users.
- Dr. Hardy Mueller - map appearance concept and base renderers, international consistency and testing, usability, app scoping, concepts, documentation, wiki, market research.
- Yvecai - main contributor to Contour Lines and Hillshade maps
- Alexey Pelykh - C++ developer, created native library and made application much snappier.
- Max (Zahnstocher) - Java contributor, active forum participant.
- Harry van der Wolf - contributor (contribute to country boundaries + configuration file + address files and else), active forum participant.