The Ren'Py visual novel engine .

Ren'Py is a visual novel engine – used by thousands of creators from around the world – that helps you use words, images, and sounds to tell interactive stories that run on computers and mobile devices. These can be both visual novels and life simulation games. The easy to learn script language allows anyone to efficiently write large visual novels, while its Python scripting is enough for complex simulation games.

Ren'Py is free to use with commercial and non-commercial games and you can find on the official website.

This run's on Android 5.0+,HTML5/Web Assembly (Beta),Linux x86_64/Arm,Windows 7+,Mac OS X 10.10+ and iOS 11+.

This is last video tutorial from RenPy start tutorials but you can find more on web.

CameraBag Photo 2020

Ultra-intuitive tools for filtering and editing photos and videos. Available for MacOS and Windows.
This product comes with a price of $30.00.
You can try CameraBag free for 7 days.
At any point, you can purchase a license to unlock the time restriction and register the program on your system.
Already own a CameraBag license and have purchased/renewed your upgrade period within the last year?
This download will upgrade you to the latest version.

System Requirements:
MacOS 10.12 or newer, 64-bit Intel
Windows 8 or newer, 64-bit
1GB RAM, 100 MB hard drive space

Another Ct.js game engine.

This is a game engine build and run with javascrip.
You can used on these operating systems: Windows, Linux and Mac OS.
Download the archive for your operating system and unarchive.
Start the ctjs application.
Into the main window you have some editbox for Name, Author name, Homepage and Version.
This window comes with buttons for play, stop ... many tabs: Settings, Rooms, UI, Sound ...
First, you need to fill the Settings with your Name and all data, and add Actions.
This engine game comes with examples to see how good is.
Let's see a video tutorial from Gamefromscratch user:

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:

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:

GDevelop - game programming tool .

A quick introduction to this online tool comes from the official website , see this:

GDevelop runs on Windows, macOS and most recent Linux distributions.
You can also try it online using Chrome, Firefox or another recent web browser. 
... 
GDevelop is an open-source project.

This is tool can be used on your desktop with most operating systems but also online.
I tested it and it's easy to use and come with default examples and sample.
The result can be used on web or like application.
For Android applications you need to install it on your desktop.

The appleseed version 1.8.0 - beta released.

The appleseed is an open source, physically-based global illumination rendering engine primarily designed for animation and visual effects and is developed by a small team from VFX industry.
The day of November 28, 2017 come with this news: We’re proud to announce the release of appleseed 1.8.0-beta, the eighth release of our beta program and the 31th release since the first alpha in July 2010.
This tool supports:

• fully programmable shading via Sony Pictures Imageworks’ Open Shading Language (OSL);
• RGB/spectral/mixed rendering;
• fast and robust transformation and deformation motion blur;
• state-of-the-art ray traced subsurface scattering;
• exhaustive Python and C++ APIs;
• ... and many other production-oriented features.

You can read more on official website.
The next video from official vimeo channel is an old basic tutorial of appleseed software.

The Hexels tool creative suite .

The development team tell us about this tool:

Hexels is a creative suite for grid-based painting, animation, and design. The Hexels canvas is a paintable grid of geometric shapes that lets artists create complex designs with the stroke of a brush. It is a new kind of vector workflow, a friendly playground for the beginning artist, and a versatile tool in the hands of a professional.
The price now is the $24.50 and you can read and download it from official website.

The Mischief 2.1.5 - another drawing tool.

This is tool come free and you can use a paid version.
The paid version come with one price $25 more features :  presets, a full color palette, layers, and export to PSD files.
This allows you unlimited freedom to sketch, create and save brushes, hot keys and shortcuts.
You can used with Windows 7/8 and Mac OS X. I tested with Windows 10 and works great.
The output of your project is filename with the extension named .art .
The result of your work can be export like .pdf , .jpeg or .pds files.
The free version I don't see the copy paste option, but you can use export to save your drawing image.
This application come with few feature in the free version.

News: The new released Krita version 3.3.1 .

The Krita development team tell us:

Published    10/11/2017

Today we are releasing Krita 3.3.1, a bugfix release for Krita 3.3.0. This release fixes two important regressions:

Krita would crash if you would restart Krita after closing Krita with the reference images docker set to floating
Krita 3.3.0 could not read .kra backup files or .kra files that were unzipped, then zipped up manually.
Additionally, there are the following fixes and improvements:

Fix a crash when creating a swap file on OSX (Bernhard Liebl).
Merge down does not remove locked layers anymore (Nikita Smirnov)
Various performance improvements, especially for macOS (Bernhard Liebl)
Improve the look and feel of dragging and dropping layers (Bernhard Liebl)
Improve the tooltips in the brush preset selector (Bernhard Liebl)
Fix a memory leak in the color selectors (Boudewijn Rempt)
Fix rotation and tilt when using the Windows Ink api (Alvin Wong)
Don’t allow the fill tool to be used on group layers (Boudewijn Rempt)
Add brightness and contrast sliders for textured brushes (Rad)
Add paste-at-cursor (Dmitry Kazakov)
Improve performance of the cpu canvas (Alvin Wong)
Fix a crash on closing Krita when there is something on the clipboard (Dmitry Kazakov)
Add a button to open a file layer’s image in Krita (Wolthera van Hövell tot Westerflier)

You can read more about this new version of Krita software and download it from here.

The HandBrake for video compression software.

The HandBrake is a tool for converting video from nearly any format to a selection of modern, widely supported codecs.
The good reasons you’ll love HandBrake:

• convert video from nearly any format 
• is free and Open Source 
• used on multi-Platform :Windows, Mac and Linux;

If you take a look to next screenshot with this software will see how many options have it. From selected size for youtube , gmail and size of display devices to filters and subtitles. Is a very good tool for video compression issue.

Make online sprite with piskelapp.

This website -www.piskelapp.com can be used to create sprites for your games.
Basically, it's an interface with drawings features like:

- set the drawing tools;
- set grids;
- use layers;
- copy image to all layers;
- set your size and resize;

and more...
If you want to use Piskel offline, you can download an offline version of Piskel below.
We provide applications for Windows, Mac OS and Linux. See this screenshots:

Deadlock make with Unity - Linux, Windows , Mac OS

Another game for Linux users : Deadlock.

Also the Windows and OSX users can play this game using the webbrowser and Unity plugin.

Recommended:

- Intel Core-2-Quad 2.4GHz or similar
- 2 Go Ram
- DX9 3D video card such as Nvidia GTX280 or Radeon HD5850 or newer.

You need to have the GLIBCXX_3.4.11 under Linux OS.

Allegro 5 library for game development.

Allegro 4 and Allegro 5 are cross-platform, open source, game programming libraries, primarily for C and C++ developers.

The Allegro library provides low level routines like input, graphics, midi, sound effects, and timing.
It is cross platform : Windows, OS X, Linux, DOS, and others.
The official website is here.
You can find some tutorials, and various articles for beginners.
Other information can be found here.