
Valentina Server
Datomic
MarkLogic Server
Firestore
Datahike
Matisse
Oracle TimesTen
SAP MaxDB
assertpy
grappa
Valentina ServerDatomic - The fully transactional, cloud-ready, distributed database
grappa - grappa is an declarative, verbose, and expressive assertion library for Python.
MarkLogic Server - MarkLogic Server is a multi-model database that has both NoSQL and trusted enterprise data management capabilities.
Firestore - Easily develop rich applications using a fully managed, scalable, and serverless document database.
Datahike - A durable datalog database adaptable for distribution.
Matisse - Matisse is a post-relational SQL database.