Merge pull request #1769 from bobvanluijt/patch-1

Weaviate

README.md

@@ -823,6 +823,7 @@ _Command-line file upload_
 - [Mindmaps](https://github.com/drichard/mindmaps) - Open source, offline capable, mind mapping application. ([Demo](http://drichard.org/mindmaps/)) `AGPL-3.0` `HTML5`
 - [My Mind](https://github.com/ondras/my-mind) - Web application for creating and managing mind maps. ([Demo](https://my-mind.github.io/?url=examples%2Ffeatures.mymind)) `MIT` `Javascript`
 - [TagTool](https://letstag.it) - Collaborative knowledge management tool. Create word clouds and link the elements. ([Demo](https://demo.letstag.it), [Source Code](https://gitlab.com/tagtool/tagtool)) `MIT` `Python`
+- [Weaviate](https://github.com/semi-technologies/weaviate) - GraphQL based Knowledge Graph. ([Demo](https://semi.technology)) `BSD-3-Clause` `Go`
 
 ## Learning and Courses