Razorcat Development GmbH creates test tools for software development of embedded systems since 1997. The unit and integration test tool TESSY is certified IEC 61508 and ISO 26262. It already supports many software projects in all industrial branches in their verification of safety-critical and high-quality software. Together with the Integrated Test Environment, Test Operator Platform and Check Case Definition Language tools, Razorcat offers solutions for all stages of the test process.