Clay Viewer : editor and export 3D files.

You can use this editor tool online.
Another option is to download the application on Windows and macOS with FBX/DAE/OBj import and glTF2.0/GLB export from here.
This tool comes with ClayGL library to provide a python tool for converting FBX to glTF 2.0.
The ClayGL is a WebGL graphics library for building scalable Web3D applications.
You can read more about this A.P.I. library here.
The source code can be found on GitHub webpage.
This is a screenshot with default clay-viewer tool:

New codepen example - modal window.

In user interface design for computer applications, a modal window is a graphical control element subordinate to an application's main window. It creates a mode that disables the main window, but keeps it visible with the modal window as a child window in front of it.
This is my example with a modal window created on codepen website.
The example is very simple.
The html5 source code is created with classes and id's.
The css file make all style for this tags.
The javascript use all of this to open the modal window, use click to close the window.
The Cancel and Add buttons not work with the java script.

Meshroom 3D Reconstruction Software

The development team come with this infos about Meshroom 3D Reconstruction Software:
Meshroom is a free, open-source 3D Reconstruction Software based on the AliceVision framework.
The official website can be found here.

You can see a tutorial with Blender 3D - open-source software created by CG Geek:

VPaint software.

The development team of VPaint software come with this info:
VPaint was an experimental vector graphics editor based on the Vector Animation Complex (VAC), a technology developed by a collaboration of researchers at Inria and the University of British Columbia, featured at SIGGRAPH 2015.
You can use it with the following operating systems: Windows Vista, 7, 10, Max OS X and Linux.
I tested and is a good software with some important gaps for the user:

• you cannot copy frames;
• export is just for PNG and SVG file format;
• too few tools; 

The software can be improved and you can contribute here.

GIMP: extract still background and mask frames.

The issue is about BgMask: extract still background from video frames / mask frames against background , see Thread-extract-from-gif-with-BgMask-script.
The GIF file come from giphy.
I tested with the .scm script and working well with extract background and mask.
I have noticed that the differences are significantly positive when the background is static and the animation does not exceed the display area of ​​the GIF file, see the output result:
.

Online effects in a single image .

This website allows you to draw more effects in one image:

Krita 4.1.1 : Comics Manager tool.

This tool can be activated from the menu: Settings - Dockers - Comics Manager.
This start into the docker a GUI that allow you to use this tool.

Select a empty folder and give the info for your project:
It's a tool helps you create and export comics in a defined format.
Select all you need and use wizard to the end.
This will make all folders and config files.
You can open the project with same Comics Manager and the JSON file from your project folder.
The wizard will let now to use the buttons that until now were inactive: Project Settings, Add Page, Export Comic and Copy Location.

Shadertoy: New shader example : Old watch (IBL) .

This is a great example at shadertoy website.
The example come with this link to this article into first comment.
The example is simple but impressive.
What is interesting to see how some objects are created.

float sdPlane( const vec3 p ) {
 return p.y;
}

float sdTorus( const vec3 p, const vec2 t ) {
  vec2 q = vec2(length(p.xz)-t.x,p.y);
  return length(q)-t.y;
}

float sdTorusYZ( const vec3 p, const vec2 t ) {
  vec2 q = vec2(length(p.yz)-t.x,p.x);
  return length(q)-t.y;
}

float sdTorusYX( const vec3 p, const vec2 t ) {
  vec2 q = vec2(length(p.yx)-t.x,p.z);
  return length(q)-t.y;
}
...

Find 735,802 icons / 2,458 iconsets .

This website can help you to find icons with extension like: .svg,  .ico, .png and .icns
Most of this icons are free to use.
They tell us :

Search through 735,802 icons / 2,458 iconsets

Rebelle 3 - the watercolor software .

The development team comes with this info about this software:
Rebelle is a unique digital painting solution for creating realistic art using watercolors, acrylics and any wet and dry media. Use of real-world color blending, wet diffusion and drying sets it apart from its competition.

• Real world simulation of paint diffusion ;
• Wet tools: Watercolor, Acrylic and Ink Pen ;
• Dry tools: Pencil, Pastel, Marker, Eraser ;
• Blend and Smudge tools ;
• Custom Brushes ;
• Wet, dry and blow the wet painting ;
• Tilt the canvas to get flow effects ;
• Pen pressure support ;

The digital copy comes with this price: $ 89.99.
Read more at official webpage about this software.

Testing CopperCube with my android emulator.

Today , I tested the example make by CopperCube - version 6 named  with android installation.
This example can be found when you start the CopperCube at Open Example App - First Person Shooter.
If you want to try another example, you may be asked to buy the license if you try post effects.
You can find my complete tutorial with the settings here.
The result works great and is a little slow for my android emulator.
See the result of this test can be see in the next screenshot:

Using Coppercube game engine with android.

Today I will start this tutorial about Coppercube and android.
First you need to know the CopperCube is free but can also buy it, see this link.
For CopperCube, you need the Android 2.2 (Froyo / API Level 8) and Android 8.0 (O) SDK packages.
You need to install all of this SDK packages with the Android Studio - using SDK Manager.
You need to have install the JDK (Java SE Development Kit) - most users already have it in the operating system.
NOTE: The Android Studio SDK can be found at : c:\Users\username\AppData\Local\Android\Sdk and you need to create a keystore. Follow the next images to see the steps how to make all settings to test your android output:

The gamefroot online HTML5 game engine.

This game engine use HTML5 and come with default templates , default sprites to test it.
You can follow the tutorials online and you can try a search on web for video tutorials.
This HTML5 engine use blocks for scripting area. Start with a account and test the tutorials.
You can used free with this option:

• Publish to Gamefroot.com

You can also use two prices (from $15.00 and $49.00) to unlock the next features:

• Educational Resources
• Export to IOS and Android
• Customer Support
• Classroom Management

You can test it at official webpage .
The official youtube channel come with many video tutorials, just take a look: