HomeAppsBooks & ReferenceSailing ReferenceApps like Sailing Reference Here are some great alternatives to Sailing Reference by Speak to the Geek : Nautical Calculator Pro ★4.1 Absolute Tides ★5.0 Nautical Calculator ★3.9 savvy navvy : Boat Navigation ★4.1 Nautical Almanac ★4.8 i-Boating:Marine Navigation ★4.2 mKart Marine Navigation ★3.4 SailFreeGPS ★4.7 ColRegs: Rules of the Road ★3.7 ColRegs: Nav Lights & Shapes ★5.0 Wavve Boating: Marine Boat GPS ★4.4 Marine Ways - Nautical Charts ★4.5 The Navigator ★4.3 Microwave Link Calculator ★3.8 Yapp Sailing Course ★4.2 Windsurfing Calculator ★5.0