- Féderation Francophone de Yachting Belge FFYB (BE)
- Vlaamse Yachting Federatie (BE)
- Varen (BE)
- Meteo France (FR)
- Weather from the UK Meteorological Office (UK)
- European Centre for Medium Range Forecasts
- Royal National Lifeboat Institution (UK)
- The Coastguard (UK)
- Royal Yachting Association (UK)
- Yacht Charter Association (UK)
- Les Glenans (FR)
- FFV - Fédération Française de Voile (FR)
- SNSM - Les Sauveteurs en mer (FR)
- Voiles et Voiliers (FR)
- Racing Rules of Sailing (World Sailing)
- Global Positioning System
- Boot Düsseldorf (DE)
- Yacht Online (DE)
- Knoten (DE)
- Guide to boating knots
