LibreOffice - Base - Base, database, database frontend, LibreOffice, ODF, Open Standards, SQL, ODBC
OpenClinica - OpenClinica is an open source clinical trials software.
My Visual Database - Using My Visual Database, you can create databases for invoicing, inventory, CRM, or any specific purpose.
secuTrial - Electronic Data Capture – Simple.
MongoDB - MongoDB (from "humongous") is a scalable, high-performance NoSQL database.
SMART-TRIAL - SMART-TRIAL is designed for medical device manufacturers who need to generate, store, and share clinical evidence.