Map Master 4.5.56 is free to download from our software library. Map Master is included in System Utilities. This tool was originally produced by Geonav.
From the developer:
Whether you’re on the water or planning your next trip at home, Geonav® MapMaster™ gives you the flexibility you need. With an unprecedented range of chart and map compatibility, this easy-to-use software lets you plan routes—and even navigate when connected to GPS—from the convenience of your Windows-based laptop or desktop PC. Enjoy a broad selection of compatible charts, including Navionics® Platinum or Gold charts, S-57 (ENC), BSB, NV.
You may want to check out more software, such as GPS Master, Knowledge Master or Acronyms Master, which might be similar to Map Master.