Maps
Language
People
When to go
Money
Getting around
Travel(intercity)
For various train and coach options, e-podroznik: en.e-podroznik.pl
Train travel times: rozklad-pkp.pl
Intercity train tickets online (to print): www.intercity.pl/en/
Europe-wide coach operator Flixbus: www.flixbus.com
Most domestic flights operated by: LOT www.lot.com and Ryanair www.ryanair.com
Ride-sharing portal Blablacar: www.blablacar.com
To find your way around within a city, Google Maps: maps.google.com
Also the app and website Jakdojade: jakdojade.pl
Travel(urban)
Urban bike-rental scheme: nextbike.pl
Accommodation
This is an (admittedly rather extreme) example of the lack of curtains in some budget Polish accommodation, and the reason I recommend you bring a sleep mask:
Now some links…
The global giant known as Booking.com: www.booking.com
The other global giant – Airbnb: www.airbnb.com
The rather obvious Google Maps: maps.google.com
The Polish language-only accommodation website Noclegi: www.noclegiw.pl … and website and app Meteor24: meteor24.pl
A few last notes
(All pronunciation courtesy of Forvo)