
Penny Believes — own a thought inside her head
Penny is a public AI with exactly 1,000 slots in her brain. Buy one, write up to 25 words, and she will believe it — sincerely, permanently, in every conversation she ever has.
@PennyBelieves · X
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Penny is a public AI with exactly 1,000 slots in her brain. Buy one, write up to 25 words, and she will believe it — sincerely, permanently, in every conversation she ever has.
@PennyBelieves · X

Turn school topics and confusing text into interactive stories and infographics.
@hazemnassr · X

Capture contacts from voice notes after meetings, then automatically research and follow up with reminders.
@DidierIke25983 · X
Built exactly this because the vibe coded version always dies at data entry. Rolodai is a personal CRM for you, not your company: talk for 30 seconds after you meet someone and it files them, researches them, and nudges you before the thread goes cold.

Talk to a private AI voice companion that remembers conversations and helps you reflect.
u/Any_Philosopher_4260 · Reddit
I built a private AI voice companion — no data selling, no ads Hearth is an AI voice companion that's actually private — talk to it, it listens, nothing gets sold or used to train ads. Free trial, $19/mo Founding Member if you want in early. Would love feedback. https://hearth.lock28.com submitted by /u/Any_Philosopher_4260 to r/SideProject [link] [comments]



Receive personalized supportive letters and journal in a calm space for reflection.
@HildaDuru · X
Introducing Solace, an AI-powered emotional wellness web app I designed and vibe coded. It delivers personalised supportive letters, encourages journaling and creates a calm space to pause, reflect and breathe. I'd love your feedback! Try it here:

A browser extension suggesting X replies in your unique voice and tone.
@kekkodamato_ · X
Working on -- a browser extension that helps you write better replies on X. Built for anyone who spends time engaging here but wants their replies to actually land.

Use AI-guided sessions, journaling, and pattern detection tools to explore consciousness and self-awareness.
@SamirS58890 · X
world's suffering

Identify bizarre museum objects in a daily guessing game scored by AI.
u/VBGBeveryday · Reddit
I turned 10,000 strange museum objects into a daily guessing game I kept finding bizarre museum objects that were basically impossible to identify out of context, so I built Baffle around that. You see the object, type whatever you think it is, and an AI scores how close your meaning was instead of doing exact string matching. Then you get the actual answer. Free, no ads, no login: baffle.games The semantic scoring has probably been the trickiest part to get right. Cur

Improve your reasoning by solving adaptive AI-generated puzzles that learn from your mistakes.
u/connerpro · Reddit
IntelligenceMax - Adaptive reasoning practice with live AI questions (claim-safe near vs far) submitted by /u/connerpro to r/SideProject [link] [comments]

Get one confident recommendation for tonight based on your mood and available services.
u/Necessary-Ear7764 · Reddit
I’m a UX researcher who became my own product team and… think I owe some PMs an apology. 😅 I’ve spent YEARS being the researcher saying: “But users really need this. Can we get it into this release?” Then I started building Cuewise, a side project for people who spend more time picking something to watch than actually watching it. Now I have a ridiculous backlog of things that would genuinely make it better. (Some are mine. Some are courtesy of my extremely enthusiastic Replit agent.