PS. At the moment I’m using this one. It’s really good but it’s missing an export feature. Source: over 1 year ago

For iOS? Authenticator - it's open-source and about as simple as it gets. Source: over 1 year ago

For iOS offline, you could go with Tofu or Authenticator. These are open-source alternatives. Source: almost 2 years ago

2FA: This is a necessity for all online accounts nowadays, but it is important to store your TOTP codes somewhere trusted and secure. Services like Authy are cloud-based and proprietary, meaning that no one can verify their privacy and security claims. Cloud-based applications are risky as it is, and it is best to keep your codes somewhere local on your devices, such as Aegis for Android, or Authenticator for iOS.... Source: over 2 years ago

Would Briar be a good alternative? https://briarproject.org/. - Source: Hacker News / 2 months ago

So it requires lan network? Can it work over bluetooth? Like Briar https://briarproject.org. - Source: Hacker News / 4 months ago

Some mentioned that Berty is similar to the messenger app Briar - albeit Android exclusive for now. Source: 7 months ago

Use briar. Use LineageOS without gapps (aka without Google Play Services). Obviously don't use Meta or Google apps, because that's where the backdoors are for governments. Use AppWarden to enable/disable/verify the usage of known trackers in your apps. Use NetGuard as an Android firewall. [1] https://briarproject.org/ [2] https://wiki.lineageos.org/devices [3] https://gitlab.com/AuroraOSS/AppWarden [4]... - Source: Hacker News / 11 months ago

Briar is a messenger that can use wifi, data, or bluetooth to send messages to anyone else with the app by automatically trying whichever connection works, this can be useful if only one of these options is functioning where you are. Source: about 1 year ago