ESTsoft Corp. engages in the software business in South Korea. It offers ALYac, a security solution; Dr.Capsule, an antivirus and total protection app for Android smartphones; RansomShield PC anti-ransomware solutions; SecureDisk, a document security solution that prevents internal data leaks; InternetDisk, a cloud storage for safe sharing and collaboration; ALYac Security Manager, an integrated corporate security management solution; and PICNIC, a camera application. The company also provides TeamUP, an integrated corporate communication service for small and medium-sized businesses; ALZip Mobile, a file browser that provides local file management features such as compression, deletion, copy, move, renaming, etc.; and ALSong Mobile, a smartphone music player. In addition, it offers online games under the Cabal and Cabal2 names, as well as mobile game under the Cat Cafe; and AI consulting services. Further, it operates ZUM.COM, an open portal site; Swing Browser for PC and mobile devices; Egloos, a blog service; rounz.com, an online glasses store; and a multi-algorithm platform that integrates and manages various algorithms in a fund for offset order, performance analysis, and risk monitoring. Additionally, the company provides A.I. Plus vision, language, security, and trend technologies. The company serves individual users, government agencies, educational institutions, and corporate customers. ESTsoft Corp. was founded in 1993 and is based in Seoul, South Korea.