Online companies of Poland

Brainly is an education technology company founded in Kraków, Poland and headquartered in New York City.

Onet.pl is the largest Polish-language web portal and online news platform. According to Digital News Report, it is the largest online news source in the country, reaching 42% Internet users every week. It is also one of the most-quoted news media in Poland.

NK.pl, formerly Nasza-klasa.pl (English: Our-class.pl), was a Polish school-based social networking service used by alumni and students. NK.pl was owned and administered by Ringier Axel Springer Polska.

chomikuj.pl, or Chomik (), is a Polish file hosting service founded in 2006. As of February 2013, it was the 15th most popular website in Poland.