Subnautica can be played together using the Nitrox mod

https://nitrox.rux.gg/

I’ve been using OpenCalc, but CalcYou seems great too

This is just talking about developers having to include a link to their privacy policy in the respective field in the App Store/Play Store

A privacy policy is only legally required when you actually collect user data. Most devs don’t write a privacy policy for no reason, so seeing one can often be suspicious. Btw if you are worried about a FOSS app tracking you without disclosing it in their privacy policy, if this is the case, F-Droid would display it under the Anti-features section.

Yes, I use and recommend Clock You: https://f-droid.org/packages/com.bnyro.clock/

+1 for the Minecraft Clock mentioned in another comment tho

It’s actually a problem with Google, because the only reason GrapheneOS doesn’t pass the Play Integrity API check is that Google enforces a whitelist of allowed operating systems. Even though GrapheneOS is 10x as secure as the stock OS, Google doesn’t allow it. Since this is a highly monopolistic practice, the GrapheneOS team is talking to regulators to finally stop this: https://grapheneos.social/@GrapheneOS/112916691727814901

Because it’s Google’s proprietary garbage app. Use FOSS alternatives from F-Droid instead.

I don’t really think a separate device like a phone is necessary to store 2FA tokens, the only option I would consider is a hardware key like YubiKey for storing TOTPs.

Personally I wouldn’t keep my TOTP together with my passwords, but it’s up to you

Using 2FA on all accounts that offer it is just as important. And make sure to use a good, open-source TOTP client like Aegis on Android or Tofu on iOS.

Definitely make sure to backup your seeds in an encrypted format (e.g. Veracrypt container or GPG-encrypted files). If you lose your seeds, you lose access to your accounts.
I like to use the automatic backup feature in Aegis, which syncs my encrypted vault to my Nextcloud server. You can also enable compatibility with Android’s backup API and use that if your ROM includes a backup solution like Seedvault.

Except a lot of homelab software doesn’t support things like LDAP

it’s hard to look inside and manually edit

It’s actually pretty easy when you’re on a Mac. They bundle an app called Keychain Access, which lets you look at and edit everything.

It’s not that bad, but tell her that she can set Bitwarden as the default option for auto-fill in the settings and everything will get automatically filled in, just like with the normal Safari password manager

Yes. As long as it’s secure and open-source, has all the features you need and you’re comfortable with the user interface, there is absolutely nothing wrong with it, and you should use what you like.

You can actually unlock LUKS from another machine over SSH: https://www.cyberciti.biz/security/how-to-unlock-luks-using-dropbear-ssh-keys-remotely-in-linux/

I’m pretty happy with this solution

Deleting messages is still a thing. If there is a message you need to preserve, take a screenshot. If you are worried that someone might think that the screenshot is fake, take a screen recording, or even better, use your phones camera to physically record your screen.

I haven’t tried Haveno yet, but LocalMonero had an option called “Cash by mail”. It’s exactly what it sounds like: You mail cash to a Monero seller, and get your XMR in exchange. This is perfectly legal in the EU, it only might be an issue in the US, since mailing cash is technically not allowed by the postal service. Seems like Haveno also has this option: https://haveno.exchange/faq/#how-can-i-exchange-monero-for-fiat-without-involving-banks

You can use Roundcube for web mail

Oh, I missed that then. I’m excited to try it out.

It hasn’t been officially launched yet. I’m eagerly waiting for it 👀