Postman - The Collaboration Platform for API Development
Microsoft BitLocker - BitLocker is a full disk encryption feature included with Windows Vista and later.
Django REST framework - Django REST framework is a toolkit for building web APIs.
Paubox - Paubox provides HIPAA compliant email encryption without the hassle of extra steps.
Amazon API Gateway - Create, publish, maintain, monitor, and secure APIs at any scale
OpenSSH - OpenSSH is a free version of the SSH connectivity tools that technical users rely on.