No, unfortunately. It is just the first thing that came to my mind reading your requirements.

Raspberry Pi 5/400 with Waydroid? Just a thought.

Mojeek is cool, but trying to search something in my first language results in 0 results find.

needs your help

I’m not gonna help proprietary software, the develipers of which are trying to flip the definition of open-source.

And people keep saying that the country of jurisdiction doesn’t matter.

You know what? DuckDuckGo uses Yahoo results, they must be working with the US government! What a nonesense.

Keyguard is not open-source, only source-available.

Desktop Bitwarden app is not open-source anymore.

Because Brave is literally a spyware.

All messengers have their flaws, I’m well aware of that. I was interested in hearing users’ opinions regarding these shortcomings, not in finding the perfect messenger. I may have worded my thoughts incorrectly though, sorry for that.

I didn’t say I don’t like Signal, Matrix or anything else. I just provided links to accompany my question.

You’re confusing privacy with anonymity.

These reasons are serious and valid. That’s why I provided references, so as not to be unsubstantiated.

Oops, a typo. Thanks.

Every time an open-source cloud gallery like Ente or PhotoPrism is mentioned, someone is sure to come along and talk about Immich.

I mean, Immich is cool, yeah, but it definetly is not a gold standard or something. Ente is a much more finished product.

It is a mail, not a calendar. Proton Calendar is a separate app.

Okay? If I can not find an Android Calendar repo, then how can I download the code?

Can you give a link, then? Because I can only find a web-ui source code.

You can check out which devices can be connected to Gadgetbridge without a vendor-key. Most notable examples are Bangle.js, PineTime and Huawei/Honor wearables.

It doesn’t have a web interface, which was requested by OP.