CertBase is an online platform offering free IT certification practice, featuring over 130,000 questions across more than 25 providers, such as AWS, Azure, Google Cloud, Cisco, and others. Users can select an exam and start practising instantly without the need for an account or payment. It offers two practice modes: Study mode, which provides correct answers and AI-generated explanations immediately after each question, and Quiz mode, mimicking actual exam conditions and presenting results upon completion. Each question includes detailed explanations of correct and incorrect answers. The platform’s key assets comprise a well-organized database of questions linked to specific exams and providers, a scalable AI explanation system, a discussion and contribution mechanism for user interaction and content improvement, and customized engines and landing pages. CertBase’s model capitalizes on the high demand from certification candidates, who frequently search for free resources and share recommendations organically on platforms like Reddit, Discord, and LinkedIn. Unlike paid competitors, CertBase’s free model eliminates barriers to entry, enhancing user acquisition. Despite attracting over 11,000 page views and operating as a side project with no revenue or paid traffic, CertBase presents several growth opportunities. These include SEO enhancement, exploring monetization avenues such as ads or affiliate revenue, leveraging community platforms for visibility, fostering a contributor ecosystem, and expanding to new exam providers for increased traffic. Included in the sale are the domain, source code, question database, brand assets, and AI pipeline, with post-sale support to aid the transition. The owner seeks a successor to continue and expand the project’s vision.