REDCap (Research Electronic Data Capture) is a secure, web-based software platform designed to support data capture for research studies. Hosted at [projectredcap.org](https://projectredcap.org/), REDCap provides an intuitive interface for validated data entry, audit trails for tracking data manipulation and export procedures, automated export procedures for seamless data downloads to common statistical packages, and procedures for importing data from external sources.Developed by a consortium led by Vanderbilt University, REDCap is specifically geared towards supporting online or offline data collection for research and clinical trials. The platform offers a variety of features including the ability to create custom surveys and databases quickly and securely without technical expertise. Additionally, REDCap facilitates data collection in real-time, making it an ideal tool for longitudinal and multi-site studies. It is widely adopted across academic, non-profit, government, and healthcare organizations worldwide, with tools and functionalities designed to ensure compliance with HIPAA, GDPR, 21 CFR Part 11, and other regulatory standards for data security and privacy.