some of the commonly used software for creating databases for clinical studies that can be shared among a small group of participants are:
REDCap: It is a secure, web-based application for building and managing online databases and surveys. It is widely used in academic research and healthcare organizations.
Microsoft Access: It is a database management system that allows users to build custom databases to track and manage data. It is often used by small research teams.
Google Forms: It is a free, web-based application that allows users to create custom forms and surveys. It is easy to use and can be shared with multiple users.
FileMaker Pro: It is a cross-platform database application that allows users to create custom databases with a variety of features, including reporting and data visualization.
OpenClinica: It is an open-source, web-based platform for clinical data management. It is designed to support clinical research and allows users to create custom forms, track data, and generate reports.