Aidbox is a headless FHIR platform designed to support healthcare application development. It provides tools for building custom EHR systems and telehealth apps, and data analytics tools. The platform ensures data security and regulatory compliance, and facilitates integration and interoperability with various healthcare IT systems.

Medplum is a FHIR-based headless EHR that handles infrastructure and data architecture for building applications with patient data so that builders can focus on the business logic and UI. Its features include integration and interoperability engines, customizable questionnaires, scheduling, communications and messaging, care plans, medication tracking, charting, billing and payments, and analytics and dashboards.

Canvas Medical is an EHR and revenue cycle management platform that focuses on providing a complete UI for clinicians while providing SDKs and APIs for extending capabilities. It provides out-of-the-box features for scheduling, charting, ordering for labs, medications, and referrals, claims and patient payments, clinical data exchange, and workflows for collaboration and results reporting. Their SDK and a FHIR-based API enable creating new workflows within the application and integrating third party applications.