MongoDB - MongoDB (from "humongous") is a scalable, high-performance NoSQL database.
LogikCull - Logikcull is a discovery automation platform that helps expedite and lower the cost of litigations & investigations.
Redis - Redis is an open source in-memory data structure project implementing a distributed, in-memory key-value database with optional durability.
Discovery Assistant - Discovery Assistant is designed specifically for litigation support professionals to capture, search, and process electronic documents.
ArangoDB - A distributed open-source database with a flexible data model for documents, graphs, and key-values.
Exterro - Exterro offer eDiscovery and legal software solutions.