Wi-Fi: Wi-Fi is available for free throughout the city and inside most buses. You can find it at Aliados, Ribeira and Boavista. Most museums and public spaces also have free wi-fi such as: Port Wine Museum, Serralves, and at some parks and main attractions like Parque da Cidade, Casa da Música and Estádio do Dragão. The location of all the wi-fi spots can be checked on the city map.
Museums: The national museums are free on Sunday morning, for residents on national territory. The Port Wine Museum and the Casa do Infante are free all weekend.
Cinema: During the month of August there are free movies played outside, on strategic places of the city. Search for “Cinema Fora de Sítio”.
Bars and Clubs: Most of the bars and clubs in Porto have free entrance.