From their website:
Nuix Rapid Investigative Review - gives users the ability to do genuine early case assessment, identifying the small number of critical documents upon which any case will turn, in a matter of seconds, minutes or hours.
Early Case Assessment - Ringtail:
https://www.ringtail.com/ringtail-ediscovery-software/early-case-assessment
Easy to learn, use and master Ringtail’s visual analytics will quickly become an invaluable part of your daily work as you find hot documents, spot notable case trends, identify gaps in productions and prepare for depositions or the courtroom. Designed to reduce the complexity and workload associated with early case assessment, investigations and document review, Ringtail wraps the power of concept clustering, visual review and smarter workflows in an easy-to-use, logical user interface.
Nuix provides a suite of solutions for reviewing or interrogating a case, enabling projects to be completed more quickly and accurately. Used in association with the Nuix Management Server, Nuix Review solutions enable multiple people to access a case at the same time, allowing them to undertake concurrent analysis, review, discovery and investigation. Nuix offers the fastest and most comprehensive set of searching techniques, as well as impactful graphical displays that show clearly who communicated what, to whom, and when.