Back to AI Productivity

    Quick Info

    Best For

    Long-distance friends and families who want a remote birthday to feel like an actual shared moment instead of another video call

    Key Features

    Synchronized 3D cake rendering
    AI facial detection for candle blow
    Real-time audio detection
    WebRTC video rooms

    Community Rating

    GUM

    free • From Free
    Updated Jun 2026

    GUM (short for Project GUM) is a real-time virtual celebration platform that turns flat, awkward birthday video calls into a synchronized shared moment. A 3D-rendered cake renders on every participant's screen at once, and the birthday person physically blows out the candles using AI-driven facial and audio detection — the flames extinguish instantly on everyone's device worldwide. Built on WebRTC and real-time interactive web graphics, it adds custom participant bubbles, interactive room features, and 'memory photo' room screenshots so long-distance friends and families feel like they were actually in the same room. It's a small, focused tool solving a very human problem: making remote birthdays feel less like a meeting and more like a party.

    Share:

    Pros

    • Truly synchronized 3D cake across every participant's screen
    • AI candle-blowing using real facial and audio detection feels magical
    • Solves a genuine emotional problem — long-distance birthdays feel cold
    • Runs in the browser via WebRTC — no app install required
    • Completely free to use

    Cons

    • Single-purpose — built specifically for birthdays, not general celebrations
    • Newer project with a smaller community than mainstream video tools
    • Requires camera and mic access for the full experience
    Ready to get started?

    Try GUM free — no credit card required.

    Considering alternatives?

    See how GUM stacks up against Livepoll

    Compare with Livepoll

    All Features

    Synchronized 3D cake rendering
    AI facial detection for candle blow
    Real-time audio detection
    WebRTC video rooms
    Custom participant bubbles
    Memory photo screenshots
    Cross-device sync
    Browser-based — no install

    Not sure about GUM? Consider these alternatives:

    Compare GUM with…

    Compare Alternatives to GUM

    Free live polling and audience engagement platform for presenters — a no-paywall alternative to Mentimeter, Slido, Kahoot, and AhaSlides.

    Open-source alternative to Raycast and macOS Spotlight that lets you quickly search browser tabs, bookmarks, apps, files, and folders from a single interface.

    Completely private, open-source RAG tool that lets you chat with your documents locally — no cloud, no accounts, no subscriptions, and zero privacy risk.

    Browser-based network engineering sandbox with real isolated instances, live packet tracing, and an AI lab assistant — 66+ interactive labs for BGP, OSPF, MPLS and more.

    Learn More About GUM

    I Replaced 10 Apps With AI — Here's What Worked

    I spent 30 days replacing my most-used apps with AI alternatives. Some saved me hours, others were disasters. Here's the brutally honest breakdown.

    Mar 3, 2026
    9 min read
    Founder Spotlight: How Laya Turned Notification Chaos Into a Local-First AI Workspace

    Laya won Week 5 of The Capital with 385 votes. We talked with the founder about turning notification overload into a local-first AI workspace with semantic search, MCP agents, and rule-based automation.

    Jun 15, 2026
    7 min read
    Best AI Tools for Startups 2026 (Tested)

    We tested 30+ AI tools across coding, design, ops, fundraising, and growth to find the 8 best AI tools for startups in 2026 — with pricing, founder use cases, and a $0/$50/$200 startup stack that replaces a junior hire.

    May 18, 2026
    10 min read