Standard Notes!

Standard Notes is a free, secure note-taking app with powerful end-to-end encryption, unparalleled privacy features, and seamless cross-platform syncing on unlimited devices.

EDIT: See https://discuss.grapheneos.org/d/10692-can-anyone-recommend-a-secure-note-making-app/12
Re: https://github.com/soupslurpr/BeauTyXT | https://beautyxt.app/

Jaime I use Notes from Simple Mobile Tools. You can download it from GitHub. In particular I like the check list option. I also use their calendar which will import ICS calendar events. And I use their voice recorder as I can't figure out how to use the GOS "Record Call" as just a recording app while not in a call. None of the apps have, or require, permissions to really anything. (Calendar needs permission to notifications to provide alerts to upcoming events if you want. Voice Recorder needs access to the microphone. No permissions on Notes.)

Hope this helps.

    commodore64 Simple Mobile Tools was recently acquired by an adware company. The original dev was not taking security seriously either; from our interactions with them.

    Definitely would not suggest anyone recommend an insecure app that's now owned by an adware company to our community members, especially in a thread asking about a "secure note" app

      I use Joplin and it's fine for me, but I'm not a power user, I don't sync it with any other devices out anything and I haven't bothered to learn markdown.

      But for important tidbits I actually use Signal, theres an option for "notes to self" like texting yourself a message

        There is Standard notes (E2EE). But depending on what you need BitWarden has encrypted notes, too. It's little more than plain text though, if I remember correctly. And note taking is not really what BitWarden stands for but I wanted to mention it anyway.

        akc3n Had I known I would not have made the suggestion. Either way, no network permissions are enabled on the apps I have and they were installed prior to the apparent buyout.

        Certainly would not suggest anyone use a web app especially in a thread asking about a secure app. Nothing on the internet is secure.

          Roger But for important tidbits I actually use Signal, theres an option for "notes to self" like texting yourself a message

          I use that myself quite frequently for quick notes between devices, as well as an Element based matrix client to quick self-note actually more than anything between devices these days. On device notes only, I use:

          @Jaime Also, check out https://github.com/soupslurpr/BeauTyXT

          A beautiful, private, secure, and minimalistic Text, Markdown, and Typst editor.

          commodore64 Certainly would not suggest anyone use a web app especially in a thread asking about a secure app.

          Strange statement, sounds quite passive aggressive and an emotionally reactive response without knowing or understanding how things work.
          A lot of users prefer web apps usage within Vanadium for security reasons. Since it is hardened and all.
          See https://grapheneos.org/usage#web-browsing to get familiar for the reasons as to why.

          commodore64 Certainly would not suggest anyone use a web app especially in a thread asking about a secure app. Nothing on the internet is secure.

          E2E encrypted data which has been encrypted with a strong password is secure. Even on the web.

          akc3n

          If I may ask a quick follow-up question (slightly off topic): Can you recommend Fossify as a SMT fork from a security perspective (I'm also less interested in a note app than in the gallery and I'm wavering between Aves and Fossify Gallery)?

            crypt.ee is a very cool notes app

            NotesNook, Standard Notes, Joplin (currently using) etc.

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            Standard Notes is best. Secure, audited, and can optionally sign up to use E2E cloud sync with an username and password only.

              akc3n wow. I somehow didn’t know that this existed. I use standard notes regularly- but only for really secure scraps of paper notes, rather than anything else because the free version is ridiculously basic. Thanks!

              Obsidian is hands down the best note taking app I've ever used. It's not open source, but also doesn't require network (unless you're installing/updating plugins). Notes are stored locally and do not sync anywhere. No account required.