JSON Editor is an open source project, 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.
If you have any issue about JSON Editor, you may send it to the project's repository.
JSON Schema Editor is predecessor of JSON Editor, 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. They share user accounts and user schema repository, so user could use one account to login both editors and access schemas.