logo
Kurashizu Blogwhere ideas flow
  • Home
  • News
  • Blog
  • About
  • Home
  • News
  • Blog
  • About

© 2026 Kurashizu. All rights reserved.

Admin·New Post·Service Status
Powered by Cloudflare·30.10.26
← Back to news

Show HN: I built a new version of my fun spatial 3D online meeting app

Original article
flat.social|80 points|49 comments|by pawelwentpawel|Sep 17, 2026

Introducing flat.social: A New Era of Absurdly Delightful Online Meetings

Welcome to flat.social, a platform designed to transform the way we connect digitally. Instead of being trapped in a static interface, you can now create a playful virtual environment where guests move, interact, and socialize naturally—all directly within their web browser.

🚀 The Core Experience

Forget the boring grid of tiny rectangles. flat.social reimagines the online meeting as a creative playground, blending the functionality of a professional tool with the mechanics of a multiplayer game.

Key Capabilities

  • Virtual Hangouts: Navigate a 3D space, bump into colleagues, and engage in organic conversations.
  • Spatial Audio: Experience sound that mimics reality. The volume adjusts based on proximity: Perceived Volume∝1Distance2\text{Perceived Volume} \propto \frac{1}{\text{Distance}^2}Perceived Volume∝Distance21​
  • Interactive Fun: Break the ice with built-in games and bonding activities.
  • Deep Collaboration: Work side-by-side using shared whiteboards and collaborative tools.
  • Professional Events: Host structured webinars and conferences featuring Q&A sessions and screen sharing.
  • Total Customization: Tailor your environment with bespoke maps, specific room layouts, and corporate branding.

See it to believe it


🛠️ How it Works: The Spatial Logic

Unlike traditional software, flat.social uses a spatial movement system to dictate social interaction.

Comparison: Old vs. New

FeatureTraditional Video Callsflat.social
LayoutRigid GridOpen 3D World
InteractionTurn-taking / ModeratedSpontaneous / Organic
AudioAll-or-nothingDistance-based (Spatial)
VibeFormal/StiffPlayful/Dynamic

🎯 Versatile Use Cases

Whether you are managing a global company or a local classroom, the platform adapts to your needs.

🏢 For Remote Teams

Give your distributed workforce a "digital headquarters."

  • Stop scheduling 15-minute "syncs" and just drop by a colleague's desk.
  • Revive the "watercooler chat" to maintain company culture across time zones.

🎓 For Online Education

Transform passive listening into active learning.

  • Students can migrate between different activity stations.
  • Raise a hand for help or collaborate on group projects in a way that feels like a real campus.

🎊 For Virtual Events

Host socials and conferences that people actually want to attend.

  • Networking: Mingle freely and visit virtual booths.
  • Breakouts: Move into dedicated zones for focused discussions.

Other great uses include:

  • Online Parties
  • Project Kick-Offs
  • Brainstorming Sessions
  • Lunch Breaks
  • Distance Education
  • Networking Mixers

💬 What the Community Says

The reception from the tech community (specifically Hacker News) has been overwhelmingly positive:

"This seems a kazillion times smarter than literally every goofy metaverse thing I've seen lately." — jrm4

"As someone who has used Gather a bit, this blows it out of the water. Incredibly intuitive and fun way to move around and talk to your friends and coworkers." — aklarfeld

"The video / virtual env seems very well integrated." — gsempe


🏁 Get Started in Seconds

Setting up your space is nearly instantaneous. You can deploy a room in under a minute using a simple configuration:

{
  "room_settings": {
    "template": "modern_office",
    "spatial_audio": true,
    "branding": "custom_logo.png",
    "activities": ["icebreaker_game", "whiteboard"]
  }
}

Ready to dive in?

  • Watch the Demo Video
  • Try the Live Demo (No signup required!)
  • Create your free account (No credit card needed)

Experience the delight of flat.social today!