HttpMaster - HttpMaster is a professional software tool for testing and debugging HTTP applications, primarily aimed at REST API applications and web services.
Rublon - Rublon enables your workforce to securely access your organization's networks, servers and applications via easy-to-use multi-factor authentication. Protect cloud apps, VPNs, servers, workstations, internal as well as on-premise apps.
MockServer - Easy mocking of any system you integrate with via HTTP or HTTPS.
DIGIPASS - DIGIPASS offers two-factor authentication solutions for mobile applications.
Request inspector - Debug web hooks, http clients
Google Authenticator - Google Authenticator is a multifactor app for mobile devices.