Orderly is a textual format for describing JSON. Orderly can be compiled into JSONSchema. It is designed to be easy to read and write.
A little bit of orderly...
object {
  string name;
  string description?;
  string homepage /^http:/;
  integer {1500,3000} invented;

...describes a little bit of JSON...
  "name": "orderly",
  "description": "A schema language for JSON",
  "homepage": "http://orderly-json.org",
  "invented": 2009

...and compiles into JSONSchema.
  "type": "object",
  "properties": {
    "name": {
      "type": "string"
    "description": {
      "type": "string",
      "optional": true
    "homepage": {
      "type": "string",
      "pattern": "^http:"
    "invented": {
      "type": "integer",
      "minimum": 1500,
      "maximum": 3000
  "additionalProperties": true

Lloyd Hilaiel
Creative Commons License