Add FOLD to software

README.md

@@ -23,9 +23,10 @@ See [Contributing](.github/CONTRIBUTING.md).
 - [Crease Pattern Editor](http://erikdemaine.org/cp-editor/) - A web-based CP editor ([Source Code](https://github.com/edemaine/cp-editor))
 - [DIAMOND](https://github.com/kei-morisue/DIAMOND) - Java app for drawing diagrams.
 - [Flat-Folder](https://origamimagiro.github.io/flat-folder/) - Compute and analyze valid flat-foldable states of flat-foldable crease patterns ([Source Code](https://github.com/origamimagiro/flat-folder))
+- [FOLD](https://github.com/edemaine/fold) - A file format for describing origami models
 - [Oriedita](https://oriedita.github.io) - Crease Pattern Editor based on Orihime ([Source Code](https://github.com/oriedita/oriedita))
-- [Origami-Editor](https://kairayzo.github.io/Origam.io/) - A web-based CP Editor ([Source Code](https://github.com/kairayzo/Origami-Editor))
 - [Origami Simulator](https://origamisimulator.org/) - Simulate folding origami designs ([Source Code](https://github.com/amandaghassaei/OrigamiSimulator))
+- [Origami-Editor](https://kairayzo.github.io/Origam.io/) - A web-based CP Editor ([Source Code](https://github.com/kairayzo/Origami-Editor))
 - [OrigamiDraw (iOS)](https://apps.apple.com/us/app/origamidraw/id1268158815) - Crease Pattern Editor for iOS
 - [Orihime](http://mt777.html.xdomain.jp/) - Crease Pattern Editor
 - [Oripa](https://github.com/oripa/oripa) - Crease Pattern Editor