Add Hydra Ecosystem

Author: Mec-iS

README.md

@@ -236,6 +236,17 @@ by Natanael Arndt, Patrick Naumann, Norman Radtke, Michael Martin, and Edgard Ma
 - [ontology](https://github.com/ozekik/awesome-ontology) – A curated list of ontology things (with some python-related entries)
 - [awesome-semantic-web#python](https://github.com/semantalytics/awesome-semantic-web#python) Python section of awesome list for semantic-web-related projects
 - [github-semantic-web-python](https://github.com/topics/semantic-web?l=python) – github project search with `topic=semantic-web` and `language=python`
+- [Hydra Ecosystem](https://github.com/HTTP-APIs) - Semantically Linked REST APIs
+    - docs: https://www.hydraecosystem.org/
+    - tutorials: the stack has three major layers ([server](https://github.com/HTTP-APIs/hydrus), [client](https://github.com/HTTP-APIs/hydra-python-agent), [GUI](https://github.com/HTTP-APIs/hydra-python-agent-gui)); each repo has it own README
+    - features:
+    	- deploy a server automatically from API Documentation (JSON-LD and W3C Hydra)
+    	- client automatically reads the documentation and provides access to endpoints
+    	- GUI allows visualization of the network generated by the servers and external resources
+    	- a [parser](https://github.com/HTTP-APIs/hydra-openapi-parser) for OpenAPI specs translation
+    - notes:
+    	- under development, experimental
+    	- part of Google Summer of Code
 - [Pywikibot](https://github.com/wikimedia/pywikibot)
     - Library to interact with Wikidata and Wikimedia API
     - see also: https://www.wikidata.org/wiki/Wikidata:Creating_a_bot#Pywikibot