This comprehensive review offers an evidence‐based exploration of the Open Group Test Suite License, detailing its origins, creator profiles, usage, adoption, dual licensing potential, version history, exploitation risks, success stories, and areas for improvement. It compares the OGTSL with other prominent licenses such as the MIT License, GNU GPL, Apache License 2.0, and blockchain-based models like the OCTL, providing developers, decision makers, and legal experts with a definitive summary of fair code and open source licensing practices.