diff --git a/extra/4DNav/4DNav-docs.factor b/unmaintained/4DNav/4DNav-docs.factor similarity index 100% rename from extra/4DNav/4DNav-docs.factor rename to unmaintained/4DNav/4DNav-docs.factor diff --git a/extra/4DNav/4DNav.factor b/unmaintained/4DNav/4DNav.factor similarity index 100% rename from extra/4DNav/4DNav.factor rename to unmaintained/4DNav/4DNav.factor diff --git a/extra/4DNav/authors.txt b/unmaintained/4DNav/authors.txt similarity index 100% rename from extra/4DNav/authors.txt rename to unmaintained/4DNav/authors.txt diff --git a/extra/4DNav/camera/authors.txt b/unmaintained/4DNav/camera/authors.txt similarity index 100% rename from extra/4DNav/camera/authors.txt rename to unmaintained/4DNav/camera/authors.txt diff --git a/extra/4DNav/camera/camera-docs.factor b/unmaintained/4DNav/camera/camera-docs.factor similarity index 100% rename from extra/4DNav/camera/camera-docs.factor rename to unmaintained/4DNav/camera/camera-docs.factor diff --git a/extra/4DNav/camera/camera.factor b/unmaintained/4DNav/camera/camera.factor similarity index 100% rename from extra/4DNav/camera/camera.factor rename to unmaintained/4DNav/camera/camera.factor diff --git a/extra/4DNav/deep/deep-docs.factor b/unmaintained/4DNav/deep/deep-docs.factor similarity index 100% rename from extra/4DNav/deep/deep-docs.factor rename to unmaintained/4DNav/deep/deep-docs.factor diff --git a/extra/4DNav/deep/deep.factor b/unmaintained/4DNav/deep/deep.factor similarity index 100% rename from extra/4DNav/deep/deep.factor rename to unmaintained/4DNav/deep/deep.factor diff --git a/extra/4DNav/deploy.factor b/unmaintained/4DNav/deploy.factor similarity index 100% rename from extra/4DNav/deploy.factor rename to unmaintained/4DNav/deploy.factor diff --git a/extra/4DNav/file-chooser/authors.txt b/unmaintained/4DNav/file-chooser/authors.txt similarity index 100% rename from extra/4DNav/file-chooser/authors.txt rename to unmaintained/4DNav/file-chooser/authors.txt diff --git a/extra/4DNav/file-chooser/file-chooser.factor b/unmaintained/4DNav/file-chooser/file-chooser.factor similarity index 100% rename from extra/4DNav/file-chooser/file-chooser.factor rename to unmaintained/4DNav/file-chooser/file-chooser.factor diff --git a/extra/4DNav/hypercube.xml b/unmaintained/4DNav/hypercube.xml similarity index 100% rename from extra/4DNav/hypercube.xml rename to unmaintained/4DNav/hypercube.xml diff --git a/extra/4DNav/light_test.xml b/unmaintained/4DNav/light_test.xml similarity index 100% rename from extra/4DNav/light_test.xml rename to unmaintained/4DNav/light_test.xml diff --git a/extra/4DNav/multi solids.xml b/unmaintained/4DNav/multi solids.xml similarity index 100% rename from extra/4DNav/multi solids.xml rename to unmaintained/4DNav/multi solids.xml diff --git a/extra/4DNav/prismetriagone.xml b/unmaintained/4DNav/prismetriagone.xml similarity index 100% rename from extra/4DNav/prismetriagone.xml rename to unmaintained/4DNav/prismetriagone.xml diff --git a/extra/4DNav/space-file-decoder/authors.txt b/unmaintained/4DNav/space-file-decoder/authors.txt similarity index 100% rename from extra/4DNav/space-file-decoder/authors.txt rename to unmaintained/4DNav/space-file-decoder/authors.txt diff --git a/extra/4DNav/space-file-decoder/space-file-decoder-docs.factor b/unmaintained/4DNav/space-file-decoder/space-file-decoder-docs.factor similarity index 100% rename from extra/4DNav/space-file-decoder/space-file-decoder-docs.factor rename to unmaintained/4DNav/space-file-decoder/space-file-decoder-docs.factor diff --git a/extra/4DNav/space-file-decoder/space-file-decoder.factor b/unmaintained/4DNav/space-file-decoder/space-file-decoder.factor similarity index 100% rename from extra/4DNav/space-file-decoder/space-file-decoder.factor rename to unmaintained/4DNav/space-file-decoder/space-file-decoder.factor diff --git a/extra/4DNav/summary.txt b/unmaintained/4DNav/summary.txt similarity index 100% rename from extra/4DNav/summary.txt rename to unmaintained/4DNav/summary.txt diff --git a/extra/4DNav/tags.txt b/unmaintained/4DNav/tags.txt similarity index 100% rename from extra/4DNav/tags.txt rename to unmaintained/4DNav/tags.txt diff --git a/extra/4DNav/triancube.xml b/unmaintained/4DNav/triancube.xml similarity index 100% rename from extra/4DNav/triancube.xml rename to unmaintained/4DNav/triancube.xml diff --git a/extra/4DNav/turtle/authors.txt b/unmaintained/4DNav/turtle/authors.txt similarity index 100% rename from extra/4DNav/turtle/authors.txt rename to unmaintained/4DNav/turtle/authors.txt diff --git a/extra/4DNav/turtle/turtle-docs.factor b/unmaintained/4DNav/turtle/turtle-docs.factor similarity index 100% rename from extra/4DNav/turtle/turtle-docs.factor rename to unmaintained/4DNav/turtle/turtle-docs.factor diff --git a/extra/4DNav/turtle/turtle.factor b/unmaintained/4DNav/turtle/turtle.factor similarity index 100% rename from extra/4DNav/turtle/turtle.factor rename to unmaintained/4DNav/turtle/turtle.factor diff --git a/extra/4DNav/window3D/authors.txt b/unmaintained/4DNav/window3D/authors.txt similarity index 100% rename from extra/4DNav/window3D/authors.txt rename to unmaintained/4DNav/window3D/authors.txt diff --git a/extra/4DNav/window3D/window3D-docs.factor b/unmaintained/4DNav/window3D/window3D-docs.factor similarity index 100% rename from extra/4DNav/window3D/window3D-docs.factor rename to unmaintained/4DNav/window3D/window3D-docs.factor diff --git a/extra/4DNav/window3D/window3D.factor b/unmaintained/4DNav/window3D/window3D.factor similarity index 100% rename from extra/4DNav/window3D/window3D.factor rename to unmaintained/4DNav/window3D/window3D.factor diff --git a/extra/adsoda/adsoda-docs.factor b/unmaintained/adsoda/adsoda-docs.factor similarity index 100% rename from extra/adsoda/adsoda-docs.factor rename to unmaintained/adsoda/adsoda-docs.factor diff --git a/extra/adsoda/adsoda-tests.factor b/unmaintained/adsoda/adsoda-tests.factor similarity index 100% rename from extra/adsoda/adsoda-tests.factor rename to unmaintained/adsoda/adsoda-tests.factor diff --git a/extra/adsoda/adsoda.factor b/unmaintained/adsoda/adsoda.factor similarity index 100% rename from extra/adsoda/adsoda.factor rename to unmaintained/adsoda/adsoda.factor diff --git a/extra/adsoda/adsoda.tests b/unmaintained/adsoda/adsoda.tests similarity index 100% rename from extra/adsoda/adsoda.tests rename to unmaintained/adsoda/adsoda.tests diff --git a/extra/adsoda/authors.txt b/unmaintained/adsoda/authors.txt similarity index 100% rename from extra/adsoda/authors.txt rename to unmaintained/adsoda/authors.txt diff --git a/extra/adsoda/combinators/authors.txt b/unmaintained/adsoda/combinators/authors.txt similarity index 100% rename from extra/adsoda/combinators/authors.txt rename to unmaintained/adsoda/combinators/authors.txt diff --git a/extra/adsoda/combinators/combinators-docs.factor b/unmaintained/adsoda/combinators/combinators-docs.factor similarity index 100% rename from extra/adsoda/combinators/combinators-docs.factor rename to unmaintained/adsoda/combinators/combinators-docs.factor diff --git a/extra/adsoda/combinators/combinators-tests.factor b/unmaintained/adsoda/combinators/combinators-tests.factor similarity index 100% rename from extra/adsoda/combinators/combinators-tests.factor rename to unmaintained/adsoda/combinators/combinators-tests.factor diff --git a/extra/adsoda/combinators/combinators.factor b/unmaintained/adsoda/combinators/combinators.factor similarity index 100% rename from extra/adsoda/combinators/combinators.factor rename to unmaintained/adsoda/combinators/combinators.factor diff --git a/extra/adsoda/solution2/solution2.factor b/unmaintained/adsoda/solution2/solution2.factor similarity index 100% rename from extra/adsoda/solution2/solution2.factor rename to unmaintained/adsoda/solution2/solution2.factor diff --git a/extra/adsoda/solution2/summary.txt b/unmaintained/adsoda/solution2/summary.txt similarity index 100% rename from extra/adsoda/solution2/summary.txt rename to unmaintained/adsoda/solution2/summary.txt diff --git a/extra/adsoda/summary.txt b/unmaintained/adsoda/summary.txt similarity index 100% rename from extra/adsoda/summary.txt rename to unmaintained/adsoda/summary.txt diff --git a/extra/adsoda/tags.txt b/unmaintained/adsoda/tags.txt similarity index 100% rename from extra/adsoda/tags.txt rename to unmaintained/adsoda/tags.txt diff --git a/extra/adsoda/tools/authors.txt b/unmaintained/adsoda/tools/authors.txt similarity index 100% rename from extra/adsoda/tools/authors.txt rename to unmaintained/adsoda/tools/authors.txt diff --git a/extra/adsoda/tools/tools-docs.factor b/unmaintained/adsoda/tools/tools-docs.factor similarity index 100% rename from extra/adsoda/tools/tools-docs.factor rename to unmaintained/adsoda/tools/tools-docs.factor diff --git a/extra/adsoda/tools/tools-tests.factor b/unmaintained/adsoda/tools/tools-tests.factor similarity index 100% rename from extra/adsoda/tools/tools-tests.factor rename to unmaintained/adsoda/tools/tools-tests.factor diff --git a/extra/adsoda/tools/tools.factor b/unmaintained/adsoda/tools/tools.factor similarity index 100% rename from extra/adsoda/tools/tools.factor rename to unmaintained/adsoda/tools/tools.factor diff --git a/extra/ui/gadgets/plot/plot.factor b/unmaintained/ui/gadgets/plot/plot.factor similarity index 100% rename from extra/ui/gadgets/plot/plot.factor rename to unmaintained/ui/gadgets/plot/plot.factor diff --git a/extra/ui/gadgets/slate/authors.txt b/unmaintained/ui/gadgets/slate/authors.txt similarity index 100% rename from extra/ui/gadgets/slate/authors.txt rename to unmaintained/ui/gadgets/slate/authors.txt diff --git a/extra/ui/gadgets/slate/slate.factor b/unmaintained/ui/gadgets/slate/slate.factor similarity index 100% rename from extra/ui/gadgets/slate/slate.factor rename to unmaintained/ui/gadgets/slate/slate.factor diff --git a/extra/ui/gadgets/tiling/tiling.factor b/unmaintained/ui/gadgets/tiling/tiling.factor similarity index 100% rename from extra/ui/gadgets/tiling/tiling.factor rename to unmaintained/ui/gadgets/tiling/tiling.factor