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README.md

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 # 3D Tiles Tools
 
 Upcoming tools for [3D Tiles](https://github.com/AnalyticalGraphicsInc/3d-tiles/blob/master/README.md) tilesets:
-* Manipulating tilesets, e.g., extracting glTF, gzipping, etc.
-* Validating that a tileset conforms to the specification.
-* Generating tilesets for testing.
+* Manipulating tilesets, e.g., extracting glTF, gzipping, etc.  See [tools/README.md](https://github.com/AnalyticalGraphicsInc/3d-tiles-tools/blob/master/tools/README.md).
+* Validating that a tileset conforms to the specification.  See [validator/README.md](https://github.com/AnalyticalGraphicsInc/3d-tiles-tools/blob/master/validator/README.md).
+* Generating tilesets for testing.  See [generator/README.md](https://github.com/AnalyticalGraphicsInc/3d-tiles-tools/blob/master/generator/README.md).
 
-Development will begin in Fall 2016.  See the [roadmap](https://github.com/AnalyticalGraphicsInc/3d-tiles-tools/issues/1).
+See the [roadmap](https://github.com/AnalyticalGraphicsInc/3d-tiles-tools/issues/1).
 
 Created by the <a href="http://cesiumjs.org/">Cesium team</a> and University of Pennsylvania students.