LinkSure Network is the mobile-internet company behind WiFi Master Key (now WiFi Master, at wifi.com), a peer-to-peer app that lets people find and connect to shared Wi-Fi hotspots for free. Founded in 2013 in Shanghai by serial entrepreneur Chen Danian and later headquartered with an overseas base in Singapore, the app grew into one of the world's most-used utilities, reaching roughly 800-900 million users at its peak. LinkSure layers cloud security detection, encrypted tunnels and machine-learning risk scoring on top of the connection experience, and monetizes primarily through in-app advertising and content.
Strikingly is a no-code website builder that lets anyone launch a polished, mobile-optimized website in minutes. Founded in 2012 by three Chinese founders and the first company from China to graduate Y Combinator, it focuses on speed and simplicity over endless configuration, serving freelancers, small businesses, and personal brands worldwide. The platform now bundles one-page and multi-page sites, blogging, e-commerce stores, and built-in analytics, and became the leading website-building brand in China.