The liftoff tool is an AI-powered platform that aims to enhance tech interviews. It provides users with full access to the platform, offering a wide range of questions and solutions for practicing interview scenarios. Additionally, it offers a community where like-minded individuals can come together to learn from one another. The tool also provides the option to try interviews using GitHub. You can prepare via AI-powered mock interviews with full access to questions and solutions and a community for learning and collaboration. The tools is useful fro interview preparation or practice before changing jobs in addition to self assessment via community interactions.