Add form.io to API Management (#2443)

Co-authored-by: Sandro <sandro.jaeckel@gmail.com>

README.md

@@ -1444,6 +1444,7 @@ _[Serverless computing on Wikipedia](https://en.wikipedia.org/wiki/Serverless_co
 ### API Management
 
 - [DreamFactory](https://www.dreamfactory.com/) - Turns any SQL/NoSQL/Structured data into Restful API. ([Source Code](https://github.com/dreamfactorysoftware/dreamfactory)) `Apache-2.0` `PHP`
+- [form.io](https://form.io) - A REST API building platform that utilizes a drag & drop form builder, and is application framework agnostic. Contains open source and enterprise version. ([Demo](https://portal.form.io), [Source Code](https://github.com/formio)) `MIT` `NodeJS`
 - [Fusio](http://www.fusio-project.org/) - Open-source API management platform which helps to build and manage REST APIs. ([Demo](http://fusio-project.org/demo), [Source Code](https://github.com/apioo/fusio)) `AGPL-3.0` `PHP`
 - [Hapttic](https://github.com/jsoendermann/hapttic) - Simple HTTP server that forwards all requests to a shell script to handle webhooks you receive. `Apache-2.0` `Go`
 - [Hasura](https://hasura.io) - Fast, instant realtime GraphQL APIs on Postgres with fine grained access control, also trigger webhooks on database events. ([Source Code](https://github.com/hasura/graphql-engine)) `Apache-2.0` `Haskell`