JSON Schema Editor is an open source project, which is an intuitive editor for JSON schema. It provides a tree view to present the structure of schema, and a property inspector to edit the properties of schema element.
If you have any issue about JSON Schema Editor, you may send it to the project's repository.
JSON Editor is successor of JSON Schema Editor, which is a schema-aware editor for JSON document including JSON schema. It provides a tree view to present the structure of JSON document, user could manipulate the JSON from context menu. There is a text view to present the content of JSON document, user may edit JSON within. They share user accounts and user schema repository, so user could use one account to login both editors and access schemas.