NaVlak is an application and widget for displaying station information boards with current information on train departures and arrivals.

NaVlak displays the following data:

- Train type and number
- Target resp. starting station
- Direction of travel
- Departure time resp. arrival
- Platform and track number
- Delay
- Information notes of the selected station

NaVlak also contains a widget that can be placed on the desktop and have departures from your station always at hand. When changing the current GPS position, the widget automatically selects the displayed station from favorites (can be turned off in the settings).

The owner of the NaVlak application is CHAPS spol s r.o., the data for the application are provided by SŽDC - Railway Administration.