ICTFax is an open-source, multi-tenant fax server built on FreeSWITCH and Angular that lets businesses and service providers offer online fax services to their customers. It supports email to fax, fax to email, web to fax, and ATA-based faxing, with HIPAA compliance and end-to-end encryption. The platform includes REST APIs for automation, white-label capabilities, user management with usage limits, and detailed monitoring and reporting for enterprises and healthcare organizations.