FaunaDB | 9,196 followers on LinkedIn. The open source, true serverless database that helps companies ship faster and scale smarter. | FaunaDB is a strongly consistent OLTP database with a hybrid document-relational data model accessed via a NoSQL query language (FQL). FaunaDB was originally created by Fauna Inc. and lived as a database-as-a-service. The open source FaunaDB project consists of the original service code, drivers in multiple languages, and CLI.