The core activity of Zweimüller GmbH is software development and consulting, particularly in the areas of distributed systems, embedded systems, and web applications. The company offers customized development, agile project work, software testing, consulting, and support for the introduction of software testing, as well as training and education. The core activities include: software development in Java, JavaScript, Python, and C++; development of distributed systems and services; development of firmware for embedded systems; software testing and quality assurance; consulting and support for the introduction of software testing; agile project work and lean principles; and the use of modern software development and testing methods such as TDD, Clean Code, and Continuous Integration.