Building a safe and secure embedded world

Distribution of TESSY in Japan

Hitex and eSOL TRINITY entered a partnership to enhance the distribution of TESSY – a tool to automate module / unit testing of embedded software.

Hitex GmbH, Karlsruhe (Germany), a leading provider of software solutions for testing of embedded software has signed an agreement with eSOL TRINITY Co., Ltd., Tokyo (Japan), a premier solution provider for embedded software design and development.

Under the agreement eSOL TRINITY will facilitate marketing and sales for TESSY and provide pre- and post-sales technical support, consulting and training. TESSY is a software tool to automate module / unit testing of embedded software written in C and C++. TESSY helps to improve embedded software quality and can be used to get the certification for products according to standards like IEC 61508, EN 50128/50129, DO-178B, ISO/IEC 15504 (Automotive SPICE), or IEC 62304. TESSY originates from the former software technology laboratory of Daimler in Berlin (Germany) and is now used worldwide by major customers in automotive, industrial, computing, medical and many other industries.

Besides pure unit testing, TESSY facilitates integration testing, code coverage measurement, and traceability of requirements to test cases. Integrated with TESSY is the Classification Tree Editor, a tool for the specification of test cases according to the Classification Tree Method (CTM).

“We are glad to have obtained eSOL TRINITY as a distributor for TESSY in Japan”, said Joerg Stender, CEO of Hitex in Germany. “With its outstanding technical expertise and the deep knowledge of the Japanese market, we consider eSOL TRINITY as the perfect partner for the expansion of TESSY to Japan.”

“We are honored to enter into this agreement”, said Shuzo Tanaka, Director of the Board of eSOL TRINITY. “TESSY enables users to find errors early in the development cycle and improve software quality. With TESSY we can provide our customers in Japan a tool that exactly addresses their needs when designing robust embedded software.”

About Hitex

Hitex GmbH, based at Karlsruhe (Germany), was founded in 1976 as a systems house. Today, Hitex is focusing on a comprehensive product and service portfolio for software quality and functional safety in embedded applications. Hitex is not only offering professional tools, but also services such as consulting, training, test services or certification support.


eSOL TRINITY (TRINITY) is a premier solutions provider for the design and development of embedded software in Japan. TRINITY’s comprehensive solution consists of consulting and professional services, tools, and fostering of engineering experts. With its rich experience in the automotive market and its wide range of expertise including model based development (MBD), functional safety and static analysis, TRINITY contributes to improvement of internal software quality and reduction of development costs. TRINITY was established in 2015 as a wholly owned subsidiary of eSOL Co., Ltd., the leading provider of real-time embedded software solutions with more than 40 years’ experience.

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