README.md

@@ -509,9 +509,6 @@ This category contains any 'grab-bags' of different kinds of art assets.
 
 ### Editors ###
 
-* [AwesomeBump][141] - A program that generates normal, height, specular or
-  ambient occlusion, roughness or metallic textures. Requires a graphics card
-  with support for OpenGL4 or greater. [GNU LGPLv3][38] or later.
 * [Blender][25] - A 3D modelling and rendering editor. [GNU GPLv2][14] or later.
 * [GIMP][22] - The GNU Image Manipulation Program. Designed for photo
   retouching, image composition and similar tasks. [GNU GPLv3][23] or later.
@@ -525,11 +522,10 @@ This category contains any 'grab-bags' of different kinds of art assets.
 * [MakeHuman][26] - A tool for making 3D characters. [GNU AGPLv3][27] or later.
 * [MyPaint][81] - A natural materials painting and drawing
   emulator. [GNU GPLv2][14] or later.
-* [NeoTextureEdit][37] - An easy-to-use, graph-based, procedural texture editor.
-  [GNU LGPLv3][38] or later.
 * [ngPlant][105] - A 3D plant modelling software suite. [GNU GPLv2][14] or later.
 * [NormalMapOnline][40] - An online normal-mapping tool. [Expat][11].
 * [Overlap2D][19] - An engine-agnostic game level and UI editor. [Apache2.0][20].
+* [Pixelorama][418] - 2D pixel art editor with animation support. [Expat][11].
 * [Synfig Studio][104] - 2D animation software. [GNU GPLv2][14] or later.
 * [Tiled][21] - Easy-to-use and flexible tile map editor. [GNU GPLv2][14] or
   later and [FreeBSD][17].
@@ -553,6 +549,12 @@ This category contains any 'grab-bags' of different kinds of art assets.
 
 ### Texture Tools ###
 
+* [AwesomeBump][141] - A program that generates normal, height, specular or
+  ambient occlusion, roughness or metallic textures. Requires a graphics card
+  with support for OpenGL4 or greater. [GNU LGPLv3][38] or later.
+* [Material Maker][419] - Procedural texture generation tool for use with PBR engines. [Expat][11].
+* [NeoTextureEdit][37] - An easy-to-use, graph-based, procedural texture editor. No longer maintained.
+  [GNU LGPLv3][38] or later.
 * [TextureGeneratorOnline][39] - An online tool for texture generation. [Expat][11].
 
 ### Voxel Editors ###
@@ -749,6 +751,7 @@ an engine would.
   easier. Implemented in Java. [3-clause BSD][29].
 * [Three.js][69] - A library that makes WebGL easy to use. Implemented in
   ECMAScript. [Expat][11].
+* [Tracy][420] - C++ frame profiler
 * [voxel.js][67] - A multi-component framework for bulding voxel games for
   modern browsers. Implemented in ECMAScript. [3-clause BSD][29].
 * [ZenGL][393] - A cross-platform game development library designed to provide
@@ -876,7 +879,7 @@ This is a catch-all category for things that don't fit anywhere else.
 [92]: http://libminx.org/
 [93]: http://melonjs.org/
 [94]: https://www.reddit.com/r/FreeGaming
-[95]: http://www.pydark.com/
+[95]: https://github.com/SirFroweey/PyDark
 [96]: https://libre.fm/
 [97]: https://commons.wikimedia.org/wiki/Main_Page
 [98]: https://soundcloud.com/groups/creative-commons
@@ -1187,3 +1190,6 @@ This is a catch-all category for things that don't fit anywhere else.
 [415]: https://scormpool.com/luastudio
 [416]: https://github.com/dagostinelli/hypatia
 [417]: https://github.com/gurkenlabs/litiengine
+[418]: https://www.orama-interactive.com/pixelorama
+[419]: https://github.com/RodZill4/material-maker
+[420]: https://github.com/wolfpld/tracy