VMWare AirWatch - VMware AirWatch retains its leadership position in the mobile device management (MDM) space.
Apigee - Intelligent and complete API platform
WSO2 API Manager - WSO2 API Manager is a 100% open source enterprise-class solution that supports API publishing, lifecycle management, application development, access control, rate limiting and analytics in one cleanly integrated system.
Apiary - Collaborative design, instant API mock, generated documentation, integrated code samples, debugging and automated testing
Tyk - Tyk is an open-source API gateway and API management platform.
Postman - The Collaboration Platform for API Development