diff --git a/extern/audaspace/README.blender b/extern/audaspace/README.blender
new file mode 100644
index 0000000000000000000000000000000000000000..97c0dd8c7682a592cb5f1380a667f333dce1b9ba
--- /dev/null
+++ b/extern/audaspace/README.blender
@@ -0,0 +1,5 @@
+Project: Audaspace
+URL: https://audaspace.github.io/
+License: Apache 2.0
+Upstream version: 1.3 (Last Release)
+Local modifications: None
diff --git a/extern/bullet2/README.blender b/extern/bullet2/README.blender
new file mode 100644
index 0000000000000000000000000000000000000000..48b71fe06dfa7d456d9f2033a481f7dcec4177ae
--- /dev/null
+++ b/extern/bullet2/README.blender
@@ -0,0 +1,5 @@
+Project: Bullet Continuous Collision Detection and Physics Library
+URL: http://bulletphysics.org
+License: zlib
+Upstream version: 3.07
+Local modifications: Fixed inertia
diff --git a/extern/ceres/README.blender b/extern/ceres/README.blender
index 0b6063c9703989162be291142e24bdaa7f0c6ac6..20e5dda6f57e67ca9be0c4509847fb2ca4a3e12d 100644
--- a/extern/ceres/README.blender
+++ b/extern/ceres/README.blender
@@ -1,4 +1,5 @@
 Project: Ceres Solver
 URL: http://ceres-solver.org/
+License: BSD 3-Clause
 Upstream version 2.0.0
 Local modifications: None
diff --git a/extern/curve_fit_nd/README.blender b/extern/curve_fit_nd/README.blender
index db520ea524e19db9bcd939010e6bf0c480def49e..8e70fd796bb3d6021df07f266dbda19848d02c00 100644
--- a/extern/curve_fit_nd/README.blender
+++ b/extern/curve_fit_nd/README.blender
@@ -1,5 +1,5 @@
 Project: Curve-Fit-nD
 URL: https://github.com/ideasman42/curve-fit-nd
 License: BSD 3-Clause
-Upstream version: Unknown (Last Release)
+Upstream version: ddcd5bd (Last Release)
 Local modifications: None
diff --git a/extern/draco/README.blender b/extern/draco/README.blender
new file mode 100644
index 0000000000000000000000000000000000000000..b9c3bbb967d2b5e7d27c6fc371010b53d13a01a0
--- /dev/null
+++ b/extern/draco/README.blender
@@ -0,0 +1,5 @@
+Project: Draco
+URL: https://google.github.io/draco/
+License: Apache 2.0
+Upstream version: 1.3.6
+Local modifications: None
diff --git a/extern/gflags/README.blender b/extern/gflags/README.blender
index be68c310997fe1a5e8ea64d917b372e593706c30..068c0507d04370555bc9ddc5f41a5a3f084865cb 100644
--- a/extern/gflags/README.blender
+++ b/extern/gflags/README.blender
@@ -1,6 +1,6 @@
 Project: Google Flags
 URL: https://github.com/gflags/gflags
-License: New BSD
+License: BSD 3-Clause
 Upstream version: 2.2.1 (46f73f88b18)
 Local modifications:
 
diff --git a/extern/glew-es/LICENSE.txt b/extern/glew-es/LICENSE.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f7078042e95053d8e5b28a9d2024f43ddddfe89d
--- /dev/null
+++ b/extern/glew-es/LICENSE.txt
@@ -0,0 +1,73 @@
+The OpenGL Extension Wrangler Library
+Copyright (C) 2002-2007, Milan Ikits <milan ikits[]ieee org>
+Copyright (C) 2002-2007, Marcelo E. Magallon <mmagallo[]debian org>
+Copyright (C) 2002, Lev Povalahev
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without 
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, 
+  this list of conditions and the following disclaimer.
+* Redistributions in binary form must reproduce the above copyright notice, 
+  this list of conditions and the following disclaimer in the documentation 
+  and/or other materials provided with the distribution.
+* The name of the author may be used to endorse or promote products 
+  derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+THE POSSIBILITY OF SUCH DAMAGE.
+
+
+Mesa 3-D graphics library
+Version:  7.0
+
+Copyright (C) 1999-2007  Brian Paul   All Rights Reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the "Software"),
+to deal in the Software without restriction, including without limitation
+the rights to use, copy, modify, merge, publish, distribute, sublicense,
+and/or sell copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+
+Copyright (c) 2007 The Khronos Group Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and/or associated documentation files (the
+"Materials"), to deal in the Materials without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Materials, and to
+permit persons to whom the Materials are furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Materials.
+
+THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
diff --git a/extern/glew-es/README.blender b/extern/glew-es/README.blender
new file mode 100644
index 0000000000000000000000000000000000000000..59a932a07f11e5bcfbfc1093c0cb8e307e560cae
--- /dev/null
+++ b/extern/glew-es/README.blender
@@ -0,0 +1,5 @@
+Project: The OpenGL Extension Wrangler Library
+URL: http://glew.sourceforge.net/
+License: Check LICENSE.txt
+Upstream version: 2.0.0
+Local modifications: None
diff --git a/extern/glew/LICENSE.txt b/extern/glew/LICENSE.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f7078042e95053d8e5b28a9d2024f43ddddfe89d
--- /dev/null
+++ b/extern/glew/LICENSE.txt
@@ -0,0 +1,73 @@
+The OpenGL Extension Wrangler Library
+Copyright (C) 2002-2007, Milan Ikits <milan ikits[]ieee org>
+Copyright (C) 2002-2007, Marcelo E. Magallon <mmagallo[]debian org>
+Copyright (C) 2002, Lev Povalahev
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without 
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, 
+  this list of conditions and the following disclaimer.
+* Redistributions in binary form must reproduce the above copyright notice, 
+  this list of conditions and the following disclaimer in the documentation 
+  and/or other materials provided with the distribution.
+* The name of the author may be used to endorse or promote products 
+  derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+THE POSSIBILITY OF SUCH DAMAGE.
+
+
+Mesa 3-D graphics library
+Version:  7.0
+
+Copyright (C) 1999-2007  Brian Paul   All Rights Reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the "Software"),
+to deal in the Software without restriction, including without limitation
+the rights to use, copy, modify, merge, publish, distribute, sublicense,
+and/or sell copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+
+Copyright (c) 2007 The Khronos Group Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and/or associated documentation files (the
+"Materials"), to deal in the Materials without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Materials, and to
+permit persons to whom the Materials are furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Materials.
+
+THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
diff --git a/extern/glew/README.blender b/extern/glew/README.blender
new file mode 100644
index 0000000000000000000000000000000000000000..59a932a07f11e5bcfbfc1093c0cb8e307e560cae
--- /dev/null
+++ b/extern/glew/README.blender
@@ -0,0 +1,5 @@
+Project: The OpenGL Extension Wrangler Library
+URL: http://glew.sourceforge.net/
+License: Check LICENSE.txt
+Upstream version: 2.0.0
+Local modifications: None
diff --git a/extern/glog/README.blender b/extern/glog/README.blender
index 62cd065ef0ff706141edb420e8a7c318393b5c36..5b4dab199bfb5f5aea85f737d958210c360d55a0 100644
--- a/extern/glog/README.blender
+++ b/extern/glog/README.blender
@@ -1,6 +1,6 @@
 Project: Google Logging
 URL: https://github.com/google/glog
-License: New BSD
+License: BSD 3-Clause
 Upstream version: 0.4.0, 96a2f23dca4
 Local modifications:
 * Added per-platform config.h files so no configuration-time
diff --git a/extern/gmock/README.blender b/extern/gmock/README.blender
index 3f9d80362d8b9a54a839fb9a9f4c4694e4873d31..23e750177b893e1f4eacec42b240da0220f296ae 100644
--- a/extern/gmock/README.blender
+++ b/extern/gmock/README.blender
@@ -1,5 +1,5 @@
 Project: Google C++ Testing Framework
 URL: https://github.com/google/googletest
-License: New BSD
+License: BSD 3-Clause
 Upstream version: 1.10.0 (703bd9caab5)
 Local modifications: None
diff --git a/extern/gtest/README.blender b/extern/gtest/README.blender
index 3f9d80362d8b9a54a839fb9a9f4c4694e4873d31..23e750177b893e1f4eacec42b240da0220f296ae 100644
--- a/extern/gtest/README.blender
+++ b/extern/gtest/README.blender
@@ -1,5 +1,5 @@
 Project: Google C++ Testing Framework
 URL: https://github.com/google/googletest
-License: New BSD
+License: BSD 3-Clause
 Upstream version: 1.10.0 (703bd9caab5)
 Local modifications: None
diff --git a/extern/lzma/README.blender b/extern/lzma/README.blender
new file mode 100644
index 0000000000000000000000000000000000000000..0111946e30e977e7b310f6db7d7ce341ebb683d5
--- /dev/null
+++ b/extern/lzma/README.blender
@@ -0,0 +1,5 @@
+Project: LZMA SDK
+URL: https://www.7-zip.org/sdk.html
+License: Public Domain
+Upstream version: 4.65
+Local modifications: None
diff --git a/extern/lzo/README.blender b/extern/lzo/README.blender
new file mode 100644
index 0000000000000000000000000000000000000000..d91500b7780fc6a9d790d52599fb16b48fd1850a
--- /dev/null
+++ b/extern/lzo/README.blender
@@ -0,0 +1,5 @@
+Project: miniLZO - mini subset of the LZO real-time data compression librar
+URL: http://www.oberhumer.com/opensource/lzo/
+License: GPLv2+
+Upstream version: 2.08
+Local modifications: None
diff --git a/extern/mantaflow/README.blender b/extern/mantaflow/README.blender
new file mode 100644
index 0000000000000000000000000000000000000000..bc1e2a164dc5e814f91dccd0be3d3ab02e40f98d
--- /dev/null
+++ b/extern/mantaflow/README.blender
@@ -0,0 +1,5 @@
+Project: Mantaflow
+URL: http://mantaflow.com/
+License: Apache 2.0
+Upstream version: 0.13
+Local modifications: None