Maltego Community Edition, or CE, is used by security professionals worldwide and ships with Kali Linux out-the-box. CE is the free version of Maltego.
Maltego CE is the community edition of Maltego that is available for free following a quick online registration. Maltego CE includes most of the same functionality as the commercial version, however, it has some limitations. The primary limitation being that the CE edition cannot be used for commercial purposes and, there is a limitation on the maximum number of Entities that can be returned from a single Transform.