Amazon API Gateway Alternatives

Biggest library of ready-made API collections for Postman

Intelligent and complete API platform

Paw is a REST client for Mac.

Gravitee.io is a flexible, lightweight and an open source API management solution.

freemium

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.

Django REST framework is a toolkit for building web APIs.

Collaborative design, instant API mock, generated documentation, integrated code samples, debugging and automated testing

API Integration Solution for Developers: 10x Faster • Less Maintenance • No Vendor-Lock-In. Use the same clean interface across multiple providers.

Tyk is an open-source API gateway and API management platform.

Anypoint Platform is a unified, highly productive, hybrid integration platform that creates an application network of apps, data and devices with API-led connectivity.

Connect the apps you use everyday to automate your work and be more productive. 1000+ apps and easy integrations - get started in minutes.

DreamFactory is an open source REST API backend for mobile, web, and IoT applications.