Skype

GroupMe Inc. is a New York-based company that develops and operates a group messaging application designed to facilitate communication among users, including those without smartphones. Launched in 2010, the platform allows users to easily connect with friends, family, and coworkers through push notifications or SMS. GroupMe's services include group messaging, conference calling, and location and photo sharing, enabling seamless interaction within social networks. Since its inception, the company has experienced significant growth, processing billions of messages and expanding its team to 25 employees. Acquired by Skype Global, GroupMe operates with a degree of autonomy, maintaining an entrepreneurial culture while aiming to become a primary communications provider for a large user base.

Qik is an online messaging platform that specializes in video communication, allowing users to exchange video messages individually or within groups. Launched initially as a private alpha in January 2008 and transitioning to public beta in August of the same year, Qik has grown to support millions of users across over 160 countries and on more than 140 smartphone models, including iPhone, Android, and Windows Mobile. The platform enables users to capture and share spontaneous life moments through video calling, messaging, and sharing features, as well as syncing and saving videos to the web and desktop. Founded by Ramu Sunkara, Bhaskar Roy, and Nikolay Abkairov, Qik is headquartered in Redwood City, California, with an additional office in Zelenograd, Russia. In 2011, the company was acquired by Skype Technologies.

Rdio, founded in 2010 by Janus Friis, operates a digital music service that provides on-demand access to over 12 million songs. Users can discover, play, and share music without ads, and build a digital collection accessible across various platforms and offline. Rdio's library includes content from major labels and independent distributors worldwide. Headquartered in San Francisco, it launched in 2010 and is available in 51 countries.

TrialPay, Inc. is a company that specializes in cross-platform monetization solutions, enabling merchants to connect with consumers through targeted promotions. Founded in 2006 and headquartered in Mountain View, California, with an additional office in Berlin, Germany, TrialPay offers a payment platform that allows customers to acquire items by trying or purchasing products from partner merchants. This system provides an alternative payment method, facilitating free trials and special offers through participation in deals from advertising partners. The company's diverse solutions cater to various industries, including software, gaming, online services, publishing, retail, and social networking, enhancing revenue growth and customer engagement for developers and merchants alike. As of March 2015, TrialPay operates as a subsidiary of Visa Inc.

Sonorit is a VoIP company.

Fon is a global WiFi provider that operates through a community WiFi model. It partners with major telecommunications companies and WiFi service providers worldwide, such as BT, Deutsche Telekom, SFR, SoftBank, Telstra, KPN, Proximus, Vodafone, Virgin Media, and The Cloud. These collaborations enable Fon to create a globally connected WiFi network, offering secure, scalable, and flexible carrier-grade WiFi services to its clients and their customers.