Fedora 31 : Install the drawing GNOME with DNF and flatpak.

You can use the DNF tool:

[root@desk mythcat]# dnf search gnome | grep drawing 
Last metadata expiration check: 1:53:53 ago on Tue 11 Feb 2020 05:28:15 PM EET.
drawing.noarch : Drawing application for the GNOME desktop
[root@desk mythcat]# dnf install drawing.noarch 
Last metadata expiration check: 1:54:28 ago on Tue 11 Feb 2020 05:28:15 PM EET.
Dependencies resolved.
================================================================================
 Package          Architecture    Version                Repository        Size
================================================================================
Installing:
 drawing          noarch          0.4.9-1.fc31           updates          1.0 M

Transaction Summary
================================================================================
Install  1 Package

Total download size: 1.0 M
Installed size: 1.5 M
Is this ok [y/N]: y
Downloading Packages:
drawing-0.4.9-1.fc31.noarch.rpm                 1.4 MB/s | 1.0 MB     00:00    
--------------------------------------------------------------------------------
Total                                           601 kB/s | 1.0 MB     00:01     
Running transaction check
Transaction check succeeded.
Running transaction test
Transaction test succeeded.
Running transaction
  Preparing        :                                                        1/1 
  Installing       : drawing-0.4.9-1.fc31.noarch                            1/1 
  Running scriptlet: drawing-0.4.9-1.fc31.noarch                            1/1 
  Verifying        : drawing-0.4.9-1.fc31.noarch                            1/1 

Installed:
  drawing-0.4.9-1.fc31.noarch                                                   

Complete!

This install use the flatpak tool:

[root@desk mythcat]# dnf install flatpak
Last metadata expiration check: 1:47:49 ago on Tue 11 Feb 2020 05:28:15 PM EET.
Dependencies resolved.
================================================================================
 Package                     Arch        Version             Repository    Size
================================================================================
Installing:
 flatpak                     x86_64      1.4.3-3.fc31        updates      1.1 M
Installing dependencies:
 flatpak-selinux             noarch      1.4.3-3.fc31        updates       24 k
 flatpak-session-helper      x86_64      1.4.3-3.fc31        updates       72 k
Installing weak dependencies:
 p11-kit-server              x86_64      0.23.20-1.fc31      updates      186 k
 xdg-desktop-portal          x86_64      1.4.2-3.fc31        fedora       386 k
 xdg-desktop-portal-gtk      x86_64      1.4.0-1.fc31        fedora       212 k

Transaction Summary
================================================================================
Install  6 Packages

Total download size: 1.9 M
Installed size: 7.7 M
Is this ok [y/N]: y
...
Installed:
  flatpak-1.4.3-3.fc31.x86_64                                                   
  flatpak-selinux-1.4.3-3.fc31.noarch                                           
  flatpak-session-helper-1.4.3-3.fc31.x86_64                                    
  p11-kit-server-0.23.20-1.fc31.x86_64                                          
  xdg-desktop-portal-1.4.2-3.fc31.x86_64                                        
  xdg-desktop-portal-gtk-1.4.0-1.fc31.x86_64                                    

Complete! 

Let's install the flatpakrepo:

[mythcat@desk ~]$ flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo

Note that the directories 

'/var/lib/flatpak/exports/share'
'/home/mythcat/.local/share/flatpak/exports/share'

are not in the search path set by the XDG_DATA_DIRS environment variable, so
applications installed by Flatpak may not appear on your desktop until the
session is restarted.

[mythcat@desk ~]$ flatpak install flathub com.github.maoschanz.drawing

Note that the directories 

'/var/lib/flatpak/exports/share'
'/home/mythcat/.local/share/flatpak/exports/share'

are not in the search path set by the XDG_DATA_DIRS environment variable, so
applications installed by Flatpak may not appear on your desktop until the
session is restarted.

Looking for matches…
Required runtime for com.github.maoschanz.drawing/x86_64/stable (runtime/org.gnome.Platform/x86_64/3.34)
 found in remote flathub
Do you want to install it? [Y/n]: Y

com.github.maoschanz.drawing permissions:
    ipc   wayland   x11



        ID                                   Arch   Branch Remote  Download
 1. [✓] org.gnome.Platform                   x86_64 3.34   flathub 304.2 MB / 318.5 MB
 2. [✓] org.gnome.Platform.Locale            x86_64 3.34   flathub  16.8 kB / 322.0 MB
 3. [✓] org.freedesktop.Platform.GL.default  x86_64 19.08  flathub  92.6 MB / 92.6 MB
 4. [✓] org.freedesktop.Platform.VAAPI.Intel x86_64 19.08  flathub   8.7 MB / 8.7 MB
 5. [✗] org.freedesktop.Platform.openh264    x86_64 19.08  flathub 594.2 kB / 593.4 kB
 6. [✓] com.github.maoschanz.drawing         x86_64 stable flathub   1.0 MB / 1.1 MB
 7. [✓] com.github.maoschanz.drawing.Locale  x86_64 stable flathub   1.7 kB / 86.2 kB

Warning: org.freedesktop.Platform.openh264 not installed
Installation complete.
[mythcat@desk ~]$ flatpak install org.freedesktop.Platform/x86_64/19.08

Note that the directories 

'/var/lib/flatpak/exports/share'
'/home/mythcat/.local/share/flatpak/exports/share'

are not in the search path set by the XDG_DATA_DIRS environment variable, so
applications installed by Flatpak may not appear on your desktop until the
session is restarted.

Looking for matches…
Found similar ref(s) for ‘org.freedesktop.Platform/x86_64/19.08’ in remote ‘flathub’ (system).
Use this remote? [Y/n]: Y


        ID                                Arch   Branch Remote  Download
 1. [✓] org.freedesktop.Platform          x86_64 19.08  flathub  11.5 MB / 238.1 MB
 2. [✓] org.freedesktop.Platform.Locale   x86_64 19.08  flathub  16.7 kB / 318.2 MB
 3. [✓] org.freedesktop.Platform.openh264 x86_64 19.08  flathub 593.6 kB / 593.4 kB

Installation complete. 

Restart the session and run it with this command:

[mythcat@desk ~]$ flatpak run com.github.maoschanz.drawing

Fedora 29 : Install Inkscape with Flatpak Linux tool.

Today I used the Flatpak Linux tool to install the last version of Inkscape 0.92.4 5da689c313 released at 2019-01-14.
Flatpak (formerly xdg-app) is a software utility for software deployment, package management, and application virtualization for Linux desktop computers. It provides a sandbox environment in which users can run applications in isolation from the rest of the system. see Wikipedia Flatpak.
The Flatpak tool is installed by default on Fedora Workstation. To install and runt the last version of Inkscape you need to use these commands:

[mythcat@desk Downloads]$ flatpak install org.inkscape.Inkscape.flatpakref

org.inkscape.Inkscape permissions:
    ipc     x11    file access [1]

    [1] host


        ID                                    Arch   Branch Remote  Download
 1. [✓] org.gnome.Platform.Locale             x86_64 3.30   flathub 17.4 kB / 320.2 MB
 2. [✓] org.freedesktop.Platform.VAAPI.Intel  x86_64 18.08  flathub  1.8 MB / 1.8 MB
 3. [✓] org.freedesktop.Platform.html5-codecs x86_64 18.08  flathub  4.8 MB / 4.9 MB
 4. [✓] org.inkscape.Inkscape                 x86_64 stable flathub 86.1 MB / 88.6 MB
 5. [✓] org.inkscape.Inkscape.Locale          x86_64 stable flathub  8.5 kB / 18.6 MB

Installation complete.

[mythcat@desk Downloads]$ flatpak run org.inkscape.Inkscape
Gtk-Message: 22:58:01.259: Failed to load module "pk-gtk-module"
Gtk-Message: 22:58:01.259: Failed to load module "canberra-gtk-module"

The Inkscape drawing tool works well.

Fedora 29 : The Piskel application.

This application is a tool for drawing and create sprites.
You can test online or use it locally by download it into your operating system.
The development team comes with this intro:
Create animations in your browser. Try an example, use Google sign in to access your gallery or simply create a new sprite.
I download it to Fedora 29 distro and working well.
This is result:

News: The new Krita 3.3.0 .

The new Krita come for Linux users with 64 bits Linux: krita-3.3.0-rc1-x86_64.appimage.
As you know: the AppImage is a format for distributing portable software on Linux without needing superuser permissions to install the application. About this new release then this new Krita comes with some improvements and features:

• support for the Windows 8 event API;
• hardware-accelerated display functionality to optionally use Angle on Windows instead of native OpenGL;
• some visual glitches when using hi-dpi screens are fixed
• several new command line options;
• the performance improvements and selections are fixed;
• the system information dialog for bug reports is improved

You can read more about this release here.

News: Krita 3.1 second beta.

The Krita 3.1 beta comes with full features and fixes.
The Linux version to download your krita-3.0.91-x86_64.appimage.
The most useful features can you be found into this 2D software for drawing:

• ffmpeg-based export to animated gif and video formats;
• the OpenGL canvas is fixed;
• will officially support OSX
• fixing bugs on Windows and Linux
• the beta still contains the colorize mask/lazy brush plugin
• expecting to experiment with new algorithms, but with the next release

You can read more about this here. 
Krita comes with this free copyright for Krita

Krita is free software under the GNU Public License, Version 2 or any later version at your option. This means you can get the source code for Krita from. The license only applies to the Krita source code, not to your work! You can use Krita to create artworks for commerical purposes without any limitation.

Krita Shell Extension comes with MIT copyright. Krita Shell Extension
The MIT License
Copyright (c) 2016 Alvin Wong