Picocrypt is another one you could check out, assuming you are on Android: https://github.com/Picocrypt-NG/Picocrypt-NG/releases
Cryptomator is great and I use it on the desktop, but you have buy a license for Android and they only support a certain set of providers. Mine is not one of them. https://docs.cryptomator.org/misc/supported-cloud-services/
Interesting, it says "Payment Method: No Card / Privacy First" on their website.
Clever name though
As I understand it, while they can't see the contents, the Metadata is still exposed.
Messages in iCloud are E2EE protected only if iCloud Backup is disabled or if iCloud Backup is enabled with Advanced Data Protection (ADP). Otherwise, Apple stores a copy of the encryption key, allowing Apple (or authorities with a court order) to access your messages.
Probably obvious, but messages sent over SMS (green bubbles) are not E2EE.
Telegram uses a proprietary encryption protocol called MTProto, so who knows if it can be trusted.
I used Session for a couple of years, but switched back to Signal because it did a poor job with media sharing.
It's been a while since I switched back, so maybe it's fixed now?
Do worry about this troll. I use Brave and don't feel bad. You can find things you don't like about everyone, if you go looking.
This is what I use and just firewall it.
CalyxOS did/does too
It works with MicroG...
Honest question, why does anyone need this? You are presumably already on an OS in order to use this.