Impression
Write disk images to your drives with ease. Select an image, insert your drive, and you're good to go! Impression is a useful tool for both avid distro-hoppers and casual computer users.
Amberol
Amberol is a music player with no delusions of grandeur. If you just want to play music available on your local system then Amberol is the music player you are looking for.
A Screenshot Tool with that You can work on the Screenshots after there are made. Yes, there is Stuff like Flameshot but I never got warm with it. This here is more my Thing. You can add it as the Screenshot Tool for the System if You wish. But I handle it so that I make the Screenshots with the built-in Gnome Tool and use for working on them this Tool here.
Nice thread, been using most of these apps. Cine is really amazing and perfect replacement for VLC. Gradia is nice & useful. These are my top 2 in the list.
But, it is better than the current gnome-terminal that I can say.
My only addition to the list -
Planify
Create and manage your to-do lists. Works fully offline but can be synchronized with cloud.