VK (VKontakte) is the largest European online social media and social networking service. It is available in several languages and is especially popular among Russian-speaking users. Developed by Mail.Ru, Pavel Durov
License: Free
VK is a social media platform with a strong multimedia focus and a large user base, making it ideal for content sharing and community interaction. In contrast, Gnu Social emphasizes decentralization and privacy, appealing to users looking for an open-source alternative.