It is all and well within the limit of a "proportionate" response exercising the "right of selfdefence"! Wondering who decides where the limit goes.

https://onionshare.org/ perhaps?

Feedbro (addon) on Firefox. Feeder on Android.

You could keep an eye on the PKGBUILDs. For Thunderbirds, for example, you could use the following in a RSS reader:

https://gitlab.archlinux.org/archlinux/packaging/packages/thunderbird/-/commits/main/PKGBUILD

Another Mull user here. It works very well for me and I like the fact that I can use content blockers like uBlock with it.

I have been using Discreet Launcher for some time now. It's fast and and distraction-free. https://f-droid.org/en/packages/com.vincent_falzon.discreetlauncher/

Scrambled Exif (Remove the metadata from your pictures before sharing them) https://f-droid.org/packages/com.jarsilio.android.scrambledeggsif/