In video form:

https://www.youtube.com/watch?v=khXSmQHenSk

If you’re on linux:

For video editing, one of the simpler but still feature-full ones is Openshot. If all you need is trimming, then Lossless Cut or the mpv plugin ‘mpv-lossless-cut’ is good.

edit: not sure if openshot is open source tbh

As for images, I don’t have any experience so maybe just check the ones here in section 2.5: https://wiki.archlinux.org/title/List_of_applications/Multimedia

I was using Boost but noticed some missing features, so I switched to Raccoon. I like it so far

for windows:

• WizTree - Disk space visualizer
• Everything (& EverythingToolbar) - Search tool
• Playnite - Game library

for android:

• Mihon/Tachiyomi - Manga reader
• Obtanium - Manage apps from various sources (github, gitlab, etc)
• Syncthing-Fork - File syncing
• MiXplorer - Feature dense file manager
• Universal Android Debloater Next Generation (technically a windows/linux program) - Remove/disable stock apps

for linux:

• wine/proton - windows translation software
• yazi - File manager
• easyeffects - Audio processing
• mpv - Video player