4talk is a multiplatform messaging service that stands out with its cloud-based approach to storing conversation data. It offers unlimited one-to-one, group, and conference chat, as well as multimedia messaging and emoticons. The service also includes location sharing, making it convenient for users to navigate unknown areas or invite friends to events. With its ability to send documents and files to offline users, 4talk provides a seamless messaging experience. The company is based in Vilnius, Lithuania, with representative offices in Russia, Ukraine, and Hong Kong.