GridMaths online tool to start with math.

This online tool named GridMaths for math can be used here.
The tool can be used for kids and parents or can use into advanced math.
I author comes with a series of articles about this online tool, see this link.
One good example about how can use this online tool can be found on youtube:

Show SVG with the anime javascript library.

First of all the anime javascript library can be found at the official webpage.
Start with the empty project on codepen.io website.
You need to add the javascript library into the editor by using the wheel icon of JS area:

https://cdnjs.cloudflare.com/ajax/libs/animejs/2.2.0/anime.min.js

You can add the SVG source code with the path and then this will be parsed by javascript script.
The CSS code is used to stylize the output.
For example, the size of the path can be used like this:

.anim path {
  stroke-width: 3;
}

Then use the source code from my example.
See the result of this source code:

See the Pen animejs_001 by Cătălin George Feștilă (@catafest) on CodePen.

Blender 3D and Google Summer of Code - 2019 Projects.

The Blender Development team start this issue with 8 projects by students and mentors:

The projects have been announced and we are now in the Community Bonding Period. For a month, students learn about the Blender project, the communication channels and development environment. 
This is also the time to make sure that the proposal is clear and has the support of the community. 
Coding starts on 27 May.

You can find all info at Google Summer of Code - 2019 Projects
More about the projects area and teams can be seen at devtalk blender development.