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Show HN: A journaling service that runs over WhatsApp

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Re: Show HN: A journaling service that runs over WhatsApp

#51
In my opinion, journaling, note-taking, and building an archive of knowledge or reminders should work seamlessly together. It should be possible to ask simple, yet specific questions like:

"When did I last buy 10kg of garbanzo beans, and from where? What price did I pay?"

And get an answer like:

"Actually, you didn’t buy 10kg; last time you only bought 5kg from X shop at Y price. Based on your past consumption, your stock will likely run out by next week. Should I set a reminder for today, after your gym session, to pick some up? (X shop is on your way home from the gym.)"

This level of contextual response would be incredibly useful. These days, I bulk order everything thanks to my streamlined note-taking and reminder setup. I’m surprised there isn’t already an open-source tool that works this well.

I keep my day organized with simple methods. During my morning walks, I plan out my tasks, priorities, and schedule—talking through everything in my head. These thoughts are then transcribed using speech-to-text and sent to an LLM. Since LLMs aren't great at remembering specific facts or handling complex relationships, I pair it with a knowledge graph to keep everything organized.

This setup generates reminders, creates schedules, and flags conflicts where I can reschedule or drop tasks. I dislike most conventional note-taking or reminder apps, so I stick to plain text files stored across Dropbox, a Raspberry Pi home server, and cloud storage like S3.

To keep me on track, I’ve built a custom notification system that sends reminders through text, email, Telegram, and WhatsApp. These notifications continue—staggered across platforms—until I acknowledge them. Since I rarely use my phone, I rely heavily on a smartwatch that receives SMS notifications. It’s a game changer: with its own SIM and long battery life, it costs me almost nothing—just $30 a year.

I avoid traditional apps for adding new information. Instead, I use a private Telegram group with a bot for input. Messaging in this group has become the easiest way for me to update my system, and I’ve grown to rely more and more on Telegram bots for this reason.

For example, yesterday the system reminded me to check my solar batteries. Months ago, I had told it that I watered them, and it automatically followed up at the right time. It’s these small, automated details that help me stay on top of long-term tasks.

I’m using Gemini Flash (a dirt-cheap, fast LLM), Neo4j, and Whisper, all tied together with Python glue scripts to make this work. Maybe someday I’ll have hardware powerful enough to run a local LLM, but for now, this setup is more than good enough.

Re: Show HN: A journaling service that runs over WhatsApp

#52

In my opinion, journaling, note-taking, and building an archive of knowledge or reminders should work seamlessly together. It should be possible to ask simple, yet specific questions like: "When did I last buy 10kg of garbanzo beans, and from where? What price did I pay?" And get an answer like: "Actually, you didn’t buy 10kg; last time you only bought 5kg from X shop at Y price. Based on your past consumption, your…

That sounds really interesting, could you you share more details? For example, what do you mean by organizing the information into a knowledge graph? Could you perhaps share the prompt you use?

Re: Show HN: A journaling service that runs over WhatsApp

#53

In my opinion, journaling, note-taking, and building an archive of knowledge or reminders should work seamlessly together. It should be possible to ask simple, yet specific questions like: "When did I last buy 10kg of garbanzo beans, and from where? What price did I pay?" And get an answer like: "Actually, you didn’t buy 10kg; last time you only bought 5kg from X shop at Y price. Based on your past consumption, your…

If you think that's a simple notes system I'd hate to see what you think a complex notes system is!

Re: Show HN: A journaling service that runs over WhatsApp

#54

In my opinion, journaling, note-taking, and building an archive of knowledge or reminders should work seamlessly together. It should be possible to ask simple, yet specific questions like: "When did I last buy 10kg of garbanzo beans, and from where? What price did I pay?" And get an answer like: "Actually, you didn’t buy 10kg; last time you only bought 5kg from X shop at Y price. Based on your past consumption, your…

Hey, I also do this. I have a GPU at home that I run whisper and Llamas on to crunch through my voice memos to distill eg TODOs. I do it all in BASH.

I haven't built out a smoother toolchain because I haven't settled on a form factor / affordance.

How much time do you spend maintaining your system? If you wanted to onboard a family member, what kind of effort would that take?

Re: Show HN: A journaling service that runs over WhatsApp

#55
post #50
post #48

Earlier quoted context omitted.

You can always go ahead and decompile the apps and then show everyone that they’re in fact lying, that story would be huge. That alone doesn’t make it true, but there have so far not been hints of them pulling weird stuff with their e2ee, unlike telegram, for example. They’re even working on improving the default mode 99% of users use e2ee chat apps with - trust on first use (TOFU): https://engineering.fb.com/2023/04…

If debunking security and/or privacy claims, and indirectly, to prove security and/or privacy claims is as simple as reverse engineering binaries then the very concept of open source for better privacy and/or security itself would be moot. Its outrageous to even suggest that.

It’s certainly not outrageous. It’s how people regularly find vulnerabilities in all kinds of closed-source software.

Re: Show HN: A journaling service that runs over WhatsApp

#57
One can do note taking with self on Whatsapp.

Quoting from whatsapp website (https://faq.whatsapp.com/5913398998672934)

> Use " rel="nofollow">https://wa.me/ where the is a full phone number in international format.

Put your own number and you chat with yourself. Pin it to top, so it's always there. I use it to add information, search later use cases.

Re: Show HN: A journaling service that runs over WhatsApp

#59
post #55
post #50

Earlier quoted context omitted.

If debunking security and/or privacy claims, and indirectly, to prove security and/or privacy claims is as simple as reverse engineering binaries then the very concept of open source for better privacy and/or security itself would be moot. Its outrageous to even suggest that.

It’s certainly not outrageous. It’s how people regularly find vulnerabilities in all kinds of closed-source software.

It certainly is for proving privacy claims. Even finding vulnerability by reverse engineering is to debunk security claims, not to strengthening it.

Re: Show HN: A journaling service that runs over WhatsApp

#60
post #57

One can do note taking with self on Whatsapp. Quoting from whatsapp website ( https://faq.whatsapp.com/5913398998672934 ) > Use " rel="nofollow">https://wa.me/ where the is a full phone number in international format. Put your own number and you chat with yourself. Pin it to top, so it's always there. I use it to add information, search later use cases.

This has been out for a while now. But before this, what people used to do is create a group with just yourself as a member, and send messages there. You had to create a group with 2 people (yourself and someone else), and just remove them because it could not be done directly. And this could be used as notes or whatever.

Right now I message myself but let's say if one wanted to maintain a separate chat for notes or some other purpose, they could create an infinite number of groups with just them in it and get it working.

Of course I think OP's solution is offering an interactive experience more than just one way communicaton.

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