Attribution & sources

mtclab projects are built on open data and open-source software. Each project documents its own data sources and licences:

• Shipdle
• METAR Daily
• TAF Daily
• Airport-dle
• Plane-dle
• Airline-dle
• Volcanodle
• Lighthousedle
• vahti.org - Finnish government open data
• Asuntodata - Statistics Finland (CC BY 4.0), NLS (CC BY 4.0)