Project ideas from Hacker News discussions.

I bought Friendster for $30k – Here's what I'm doing with it

📝 Discussion Summary (Click to expand)

6 PrevalentThemes

  1. iOS‑only limitation & cross‑platform need – “Your app is iOS only unfortunately. Big shame.” – sikozu
  2. Symmetrical friendships (no follow vs. friend) – “Can you please make it (and keep it) so that friendships are symmetrical? I.e., “friend” rather than “follow”.” – mmclar
  3. Effortless onboarding (QR / easy connection) – “Having a way to generate a QR download code on my phone when I add a friend so they can take a photo and then download it, and immediately connect us, would be huge.” – collinmcnulty
  4. Business/monetisation concerns (domain & ad revenue) – “Even in the US… something like half of people have an Android.” – gpm
  5. Nostalgia for early‑social‑network simplicity – “I love the idea of using phone proximity as the only way to add friends.” – mjamesaustin 6. Technical & privacy concerns around proximity matching – “The central point of this app is to determine proximity of two devices. That’s not possible today in a cross‑platform way using web apps.” – axoltl

🚀 Project Ideas

ProxConnect PWA

Summary

  • A cross‑platform “Friendster‑style” social network that adds friends only when two phones are physically close, accessible via a lightweight PWA with QR‑code onboarding. - Core value: frictionless, in‑person friend creation without app‑store bottlenecks.

Details

Key Value
Target Audience Users who want real‑world connections but dislike native app install friction; Android & iOS users open to web solutions
Core Feature Proximity‑based friend pairing using Bluetooth LE/NFC + QR‑code instant download
Tech Stack React Native Web + Service Workers, Web Bluetooth API, QR‑code generator, Vercel/Netlify hosting
Difficulty Medium
Monetization Revenue-ready: Subscription $2.99 /mo for premium profile features

Notes

  • HN users repeatedly praised the need for a web version and QR onboarding to lower entry barriers.
  • Solves the “no Android app” complaint while keeping the tapping mechanic intact.

SymFriend

Summary

  • A federated social graph that enforces symmetrical friendships (mutual “friend” instead of “follow”).
  • Core value: true bidirectional connections that eliminate one‑way “follow” confusion. ### Details
    | Key | Value | |-----|-------| | Target Audience | HN commenters seeking symmetric friendships, privacy‑first users, developers interested in Nostr/ActivityPub | | Core Feature | Mutual friend confirmation via decentralized identity (Nostr/nostr‑tools) | | Tech Stack | Nostr client, Web Socket relays, WebAuthn for key management, Electron/Capacitor for optional native wrapper | | Difficulty | High | | Monetization | Hobby |

Notes

  • Directly addresses mmclar’s “friend rather than follow” frustration.
  • Aligns with dang’s call for proper terminology and reciprocity.

EchoCircle

Summary

  • A lightweight social circle that automatically fades connections after a configurable period of inactivity, keeping the feed fresh.
  • Core value: self‑cleaning network that prevents stale relationships from dictating content.

Details

Key Value
Target Audience Users annoyed by “stale connections” (readitalready, hoppyhoppy2) and admirers of Facebook’s early simplicity
Core Feature Automatic connection expiration + opt‑in renewal prompts
Tech Stack GraphQL + PostgreSQL, Django backend, TailwindCSS frontend, Deploy on Fly.io
Difficulty Medium
Monetization Revenue-ready: One‑time $49 lifetime access for “eternal” profiles

Notes

  • Echoes readitalready’s “fading connections” suggestion.
  • Provides a practical solution to the “stale network” pain point.

P2PFriend

Summary

  • A peer‑to‑peer encrypted social network where friend relationships are stored locally in users’ devices; no central server or ad model.
  • Core value: zero data harvesting, full user control over social graphs.

Details

Key Value
Target Audience Privacy‑concerned HN users (grishka, gouda), developers exploring federated alternatives
Core Feature End‑to‑end encrypted friend graph stored in IndexedDB; sync via WebRTC data channels
Tech Stack WebRTC, libsodium, IndexedDB, Service Workers for background sync
Difficulty High
Monetization Hobby

Notes

  • Meets the desire for “no ads” and “not harvested by your servers” (everyos_).
  • Provides a truly decentralized alternative to the Facebook‑style model.

QRFlip

Summary

  • An onboarding‑first social app that generates scannable QR codes for instant friend addition, with a web‑only mode for non‑phone users.
  • Core value: eliminates the “tap phones” friction by letting any user join via QR without installing an app first.

Details

Key Value
Target Audience Android‑centric users (ca98am79, hoppyhoppy2) and anyone wanting a website fallback
Core Feature QR‑code friend invitation that triggers app download or web login
Tech Stack Flutter Web, QR‑code generator (qr_code package), Firebase Auth, Cloudflare Workers for short‑lived tokens
Difficulty Low
Monetization Revenue-ready: Freemium with $1.99 /mo for custom QR themes

Notes

  • Directly answers lwhi’s “Why no android app?” and pixel_popping’s “Can't use it from a laptop?” concerns.
  • Provides a bridge for laptop users while preserving the proximity mechanic.

AdFreeSocialHub

Summary

  • A non‑profit, community‑run social hub that operates on a donation‑plus‑optional‑premium model, guaranteeing an ad‑free experience forever.
  • Core value: sustainable, ethical social networking free from surveillance capitalism.

Details

Key Value
Target Audience Users disillusioned with ad models (ca98am79, dgellow) and supporters of non‑profit platforms
Core Feature Federated servers with moderated communities; premium tier offers custom emojis and analytics
Tech Stack Matrix + Element client, Docker/Kubernetes for self‑hosted relays, Stripe for donations
Difficulty High
Monetization Revenue-ready: Optional $5 /mo “Supporter” tier

Notes

  • Aligns with ca98am79’s call for “no ads” and paulnpace’s emphasis on “paying for itself” without compromising values.
  • Offers a concrete path to long‑term sustainability while respecting user data privacy.

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