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The story
ESTsoft was founded in 1993 in Seoul, South Korea, as a developer of desktop and business software.
During the 2000s, the company released a series of software products under the "ALTools" brand, including ALZip and ALSee, which became widely used among Korean PC users.
ESTsoft was listed on the KOSDAQ market in 2008 (ticker: 047560).
In the 2010s, the company expanded into the online gaming industry with titles such as Cabal Online and Cabal 2.
Since the early 2020s, ESTsoft has released artificial intelligence (AI) products including the AI dubbing platform "Perso AI," virtual avatar solutions, and the AI search engine "Alan."
In 2025, the company was selected for the Korean government's K-FAST initiative, which supports AI dubbing technology to globalize K-content.
In 2025, Perso Interactive was featured as an AI use case in the International Telecommunication Union's "AI for Good" Impact Report.
In December 2025, ESTsoft announced the launch of K-content FAST (free ad-supported streaming TV) channels for the global market, utilizing its AI dubbing technology on LG TV channels. The service includes channels such as "TRAVEL ON" and "GAME ON," with "FOOD ON" and a romantic comedy drama channel, "Series K," scheduled for launch on Samsung TV Plus in January 2026.
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In January 2026, ESTsoft exhibited the AI Promoter with Samsung Electronics at CES 2026 during Samsung's "The First Look" event. "AI Promoter" integrates on-device AI and object recognition technologies to provide detailed information on Samsung's flagship products.
In February 2026, ESTsoft signed a MOU with NTT (Japan's largest telecommunications company) and Nihon Kotsu, a major Japanese taxi operator, to introduce its real-time conversational AI Avatar service, "Perso Interactive," into Japanese taxis. The partnership aims to provide foreign tourists with AI-powered services such as real-time interpretation, tourism information, and restaurant recommendations.
In March 2026, ESTsoft participated in the Mobile World Congress (MWC) in Barcelona to exhibit its real-time conversational AI Avatar service, "Perso Interactive." The company exhibited "Perso Interactive" across five dedicated zones (Mobility, Information, Retail Media, Customer Experience, Developer Ecosystem).
Government project K-EXAONE
In August 2025, ESTsoft was selected to participate in the "AI Foundation Model" project led by the Ministry of Science and ICT of the Republic of Korea.
In January 2026, ESTsoft successfully advanced to the second stage of the South Korean government's "Independent AI Foundation Model Project" as a member of the consortium led by LG AI Research. This consortium, which is developing the sovereign AI model K-EXAONE, received the highest score in the initial evaluation.
From Wikipedia’s article on ESTsoft, shared under CC BY-SA 4.0.4