API Umbrella vs RAML: What are the differences?

API Umbrella: Open source API management platform used by api.data.gov. API Umbrella is a proxy that sits in front of your APIs It can seamlessly add common functionality like api keys, rate limiting, and analytics to any API.; RAML: RESTful API Modeling Language (RAML) makes it easy to manage the whole API lifecycle from design to sharing. RESTful API Modeling Language (RAML) makes it easy to manage the whole API lifecycle from design to sharing. It's concise - you only write what you need to define - and reusable. It is machine readable API design that is actually human friendly.

API Umbrella and RAML can be categorized as "API" tools.

API Umbrella is an open source tool with 1.32K GitHub stars and 244 GitHub forks. Here's a link to API Umbrella's open source repository on GitHub.