What is GIMP?
The GNU Image Manipulation Program (GIMP) is the free and open-source cross-platform GNU image manipulation program. It is packed with professional-quality features such as fine-tuning snaps, creating your artwork from scratch, customizable brushes, image enhancement tools, filters, etc.
It has a huge number of plugins that make this application the best alternative to Adobe Photoshop.
What is Audacity?
Audacity is a free and open-source cross-platform audio editor. The application lets you mix, import, and mix audio tracks.
It also comes with editing functions to produce high-quality sound. What makes Audacity popular is its ease of use, great features, support for massive plugins, and good community support.
How to install GNU Image Manipulation Program (GIMP)
We will see how to install GIMP through Snap and through the Software Center.
What is Snap?
Snap is a software packaging and deployment system developed by Canonical for operating systems that use the Linux kernel.
Use the following command to install snap
sudo apt update
sudo apt install snapd
After installing snap you can go ahead and install GIMP
sudo snap install gimp
How to install GIMP from the Software Center
On the left side, pane click on software center

In Software Center click Art and Designs

Search and select GNU Image Manipulation Program(GIMP)

Click Install.

Enter the password for authentication and wait for the installation process to complete.

GIMP is installed

How to install Audacity
We will see how to install Audacity through Snap and through the Software Center
Install Audacity through a terminal
sudo apt update
sudo snap install audacity
Install Audacity through GUI
On the left side pane, click on “software center,” then under the categories, click “music and audio.”

Search and click on Audacity

Click Install.

Enter the password and select Authentication.

Audacity is installed

Follow the instructions in the post below to install the Linux Ubuntu operating system.
https://easytechhub.com/how-to-install-linux-ubuntu/
Conclusion
GIMP is the free and open-source cross-platform GNU Image Manipulation Program (GIMP). It is the best alternative to Adobe Photoshop. Audacity is a free and open-source cross-platform audio editor. This software is very useful and free to use for personal and commercial purposes.