OpenProcessing website.

You can create an account on this website to test your skills with processing programming language.
About OpenProcessing then this programming language uses some awesome Licensed and Open Source components.
You can see my working sketches here.

Castle Clash: Heroes of the Empire US.

The IGG team comes with this info about this game:
...Castle Clash is a game of epic kingdom wars! Hire powerful Heroes and equip them with legendary weapons to lead your mighty army of mythical creatures. Fight your way to become the world's greatest castle warlord. Put your strategies to the test in dungeons, raids, wars, arenas, and missions!...

Elvenar - the online game.

The team comes with this intro for this online game:
Welcome to Elvenar! Elvenar is a free-to-play browser-based game, where you will build a flourishing city and discover a magical world full of mysteries. Build up the most beautiful city and establish the most efficient economic system that you can! In Elvenar you can upgrade almost every building, improving the productivity and the look of your city. Explore the vast World Map to acquire the knowledge of your wise ancestors and discover new technologies. Trade or fight over powerful Relics to boost your production. You can either become a skilled and well-known trader, refine your producing art or lead your troops to victory in 3D-animated battles, the decision is up to you.
You can see a video intro from the official youtube channel:

News : NVIDIA VMware Test Drive.

The NVIDIA VMware Test Drive gives you instant access to hours of accelerated, virtualized graphics—for free.
You can start with:

• FREE 90-DAY EVAL 
• PURCHASE NVIDIA VIRTUAL GPUs:  just for these countries: Brazil, China, France, Germany, India, Italy, Japan, Latin, Poland, Russia, Spain, Turkey, United Kingdom.

Read more about this feature here.

Free textures from texturehaven .

The team from the texturehaven website come with this info:

100% Free 
All textures are licensed as CC0 and can be downloaded instantly, giving you complete freedom. 
No paywalls, email forms or account systems.

You can help this website:

With Patreon, you can contribute to help us pay the server cost and develop new texture scans.
When a goal is achieved, something new will come.
Think unlocking 8k textures, PNG files, increasing uploads and more.
Not only can you contribute financially, but you can get directly involved in the process, helping decide what textures we shoot, and ultimately the direction this site is going. 
Spendings of donation each month is verified by public finance reports.

Mythology : Contest created by HUION .

The contest is created by the HUION graphic tablet company.
The theme of the contest is Mythology.
Awards are in HUION products.
Subscription deadline: 15 November 2018.
See more detail here.

The Magicavoxel tool for your game development.

The development team tells us:
"A free lightweight 8-bit voxel editor and interactive path tracing renderer, made with love by @ephtracy. Available for PC and MAC. This is where it all begins.

This tiny light-weighted software is the core of voxelart, since it is capable of many things : just edit, paint and move your voxels in a cubic grid, then animated them and render them with the powerful integrated renderer.

License : feel free to use it for any project, no commercial licences required, credits are appreciated"
Let's see this video tutorial from youtube channel:

Smart tool - the online unknown tool.

I found this online tool for developing games.
The tool can:

• Load and Save image files;
• Change settings for a normal map texture;

I don't find the provider of this tool...
They say:
Error 404 - Not found 
Die angegebene Seite konnte nicht gefunden werden.
See the screenshot with this tool:

Thunkable : Create online mobile applications for iOS and Android.

Thunkable is the platform where anyone can build their own mobile applications for iOS and Android.
This online tool is free to use with a google account.
The Thunkable platform charges a maintenance fee for the use of certain components such as Ads by AdMob and Payment by Stripe.
You can start build your on an app is as simple as dragging and dropping your favorite components and connecting them together with blocks.
Learn how to make your first app from this video from official youtube channel:

Unity 3D : FBX Exporter asset.

Today I will show you how to use an asset in Unity Store named FBX Exporter.
A short video tutorial was presented at Siggraph 2018 de Liz Mercuri (Technical Evangelist, Unity Technologies), see this video tutorial:

Let's see how to use this asset.
First, you need to download and import it from Unity Store.
Search using the name of this asset FBX Exporter from Unity.

Use import option to use this asset.
To start this asset use from menu: Edit - Project Settings - Fbx Export.

This will open this asset into Inspector area:

You can use just Maya and 3D studio Max 3D software to work with this asset.

Noisli : an inspired editor.

This publisher is recommended to writers and those who need inspiration.
I found him present in the community for those who want to write.
It's a simple online editor with dynamic graphics and sound effects.
Practically you can hear different sounds combined and you can let and choose color combinations to inspire you.
The editor can save in text format  and export to your dropbox account or Google Drive.
Here's a screenshot of this editor:

The Figma App Design Workflow - online tool.

The development team come with this intro:
Figma is the first interface design tool based in the browser, making it easier for teams to create software.
The Figma pricing start with:

• Basic - free for individuals 
• Professional - $12*
• Organization - $45*

You can start with your your email or google account, see first page:
The interface is simple and colors are great.
The official youtube channel come with many videos about this online tool.
You can find any references and tutorials on web.
The CharliMarieTV channel come with this title about Figma : Sketch vs Figma - Why I switched!

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: