API Umbrella is described as 'Open Source API Management. API Umbrella is a proxy that sits in front of your APIs' and is an app in the Development category. There are more than 10 alternatives to API Umbrella for a variety of platforms, including Linux, Online / Web-based, Windows, Mac and Self-Hosted solutions. The best alternative is Tyk, which is both free and Open Source. Other great apps like API Umbrella are Kong (Free, Open Source), WSO2 API Manager (Free, Open Source), apiman (Free, Open Source) and Apigee (Freemium).
Kong is a scalable, open source API layer (also known as a API gateway, or API middleware). Kong runs in front of any RESTful API and is extended through plugins, which provide extra functionalities and services beyond the core platform.
YAP OCR API - Ready-to-go APIs for recognizing, extracting, and validating data from different documents: 1. Invoice – collect accounting details at once. 2. Receipt – recognize payments data in seconds to boost reporting.
Nevatech Sentinet is the only enterprise class API Management and SOA Governance platform written in .NET that is available for On-Premise, Cloud and Hybrid environments. It connects, mediates and manages interactions between services across the enterprise or in the cloud.
Tyk Cloud is a full-featured API management platform based around the open source Tyk API gateway, that means you get all the features of the open source version without any of the integration and implementation headaches.
3scale provides an out of the box cloud API management platform and infrastructure for developers, and companies to securely open, control, manage, operate and monetize their API to third parties (e.g. developers, business partners, etc.).