Note that these are not all FOSS.
-
Photo Editing:
- GIMP
- Krita
- Paint.NET
-
Video Editing:
- DaVinci Resolve
- CapCut
- Shotcut
-
Audio Editing:
- Audacity
- Cakewalk
- GarageBand
-
3D Graphics:
- Blender
- Spline
- Rumba
-
Office Software:
- LibreOffice
- Microsoft 365 Free Apps
- WPS Office
-
Antivirus Software:
- Windows Security
- Avast Free Antivirus
- Malwarebytes
-
Productivity Tools:
- Bitwarden
- VSCodium
- PDF-XChange Editor
- 7-Zip
- OBS Studio
- LanguageTool
You should totally get on some PS forums and start removed about its UI being ‘backward and unusable’ compared to GIMP :)