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Life & fun · alternatives · 2026

24 alternatives to I made a site where you can go through a wormhole

A three minute web experience across the universe.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. I made a site where you can go through a wormhole launched in 2020; newer entries below may have overtaken it.

  1. 1
    Wormhole▲439

    Simple, fast, and private file sharing ✨

    2021 · wormhole.app · its alternatives →

  2. 2

    I’ve been building absurd, mostly useless web projects for fun — and I publish one every month at absurd.website. These are deliberately non-functional, weird, sometimes funny, sometimes philosophical — and usually totally unnecessary. Some examples: Sexy Math — solve math problems to reveal erotic images. Trip to Mars — a real-time simulation that takes 7 months to finish. Add Luck to Your e-Store — add a waving cat widget to boost your conversion via superstition. Microtasks for Meatbags — the future: AI gives prompts, humans execute. Invisible Lingerie — it’s sexy. And invisible. Artist…

    2025 · absurd.website · its alternatives →

  3. 3

    I built Yourabbit.com — a site that curates hand-picked YouTube rabbit holes grouped by themes like quirky psychology, obscure tech, weird facts, and binge-worthy oddities. It’s not driven by the YouTube algorithm — every collection is themed and curated manually (for now), with a backend I’m automating to fetch and organize new rabbit holes daily. Built as a hybrid Astro + Next.js project, optimized for static generation and speed. I’m also pairing videos with custom summaries and commentary (using AI), and would love feedback from the HN crowd on: Content model (too wide? not specific…

    2025 · yourabbit.com · its alternatives →

  4. 4IM

    I made this site using R3F (https://github.com/pmndrs/react-three-fiber), a React renderer for 3JS (https://threejs.org/). The celestial bodies are Three.JS meshes. I used loaders (namely 'useLoader' from R3F and 'GLTFLoader' from 3JS) to import 3D models, such as International Space Station. More on loading models in R3F: https://docs.pmnd.rs/react-three-fiber/tutorials/loading-mod... I've future plans for this side project. It would be great to hear from the HN community before diving into them. Enjoy! P.S: Getting an empty…

    2022 · spaceinbrowser.com · its alternatives →

  5. 5

    An abstract gravitational puzzler

    2015 · 0rbitalis.com · its alternatives →

  6. 6

    The most irresistibly shareable content on the internet

    2014 · clickhole.com · its alternatives →

  7. 7

    Explore, build, and host 3D metaverse spaces

    2021 · its alternatives →

  8. 8

    A sandbox space experience 🚀

    2015 · store.steampowered.com · its alternatives →

  9. 9

    Spotify, website security, black holes.

    2016 · wired.co.uk · its alternatives →

  10. 10

    Agar.io goes interstellar!

    2015 · vanar.io · its alternatives →

  11. 11TW
  12. 12

    I didn't realize Universe Sandbox ran on MacOS, and I was in the mood to play around a bit. Some functions it's got: - Random system generation - Sonification is super fun too - Habitability Simulation (Just for fun, don't cite this please) - Replacing, spawning, deleting objects I've had tons of fun building this, so I hope someone else can share the joy. It's free and runs in the browser. I'd love to hear any feedback. I think this is at a state where I might leave it as it is, but if people are interested in other features, maybe I'll keep working on it. I've kept saying I'll stop working…

    Dec 2025 · luna.watermelonson.com · its alternatives →

  13. 13MW

    This was more of a sandbox to play with Raphael and Flot than anything else but I think there are some interesting statistics in there. It'd be awesome to do this over time but I really don't have the spare time required.

    2011 · burntbrunch.github.com · its alternatives →

  14. 14

    A smart proxy to connect docker containers. Contribute to vishvananda/wormhole development by creating an account on GitHub.

    2014 · github.com · its alternatives →

  15. 15HM

    I made this as a pair programming exercise with o1-preview. o1 did most of the heavy lifting, through high level prompts, but eventually I needed to diverge from it to get to completion. My initial prompt was: --- I'm making a web app: It's like 4chan, but each thread starts with a gps coordinate. People can only post text and images. I want to build it with flask and sqlalchemy. I want just the backend and data model that supports these threads, anonymous users, and users that can register a permanent username. Write as much of it as you can for me. --- This produced a fully scaffolded…

    2024 · mapchan.com · its alternatives →

  16. 16
    Tezos▲8

    A new digital commonwealth

    2017 · tezos.com · its alternatives →

  17. 17

    I recently made the game that is bundled in the Comet browser by Perplexity. It's a sort of replacement for Chrome Dino game for when you lose network connection. You can read about my process of prototyping and game design philosophy, with accompanying videos, in this blog post.

    2025 · blog.gingerbeardman.com · its alternatives →

  18. 18IM
  19. 19IU
  20. 20

    Navigate the vastness of space through your spaceship

    2025 · orionrealms.com · its alternatives →

  21. 21

    Hey HN! Last week I was working on a website and needed a way to synchronise visuals with live music. I've used MIDI controllers for this before, but I am travelling right now and don't have mine with me. So I had the crazy idea to build a browser extension that uses the keyboard as input and includes a sequencer. I gave myself 24 to work on it. It ended up taking longer (of course), specially since I ended up creating a demo, a small landing, docs, and an intro video. Took me one week from idea to launch (pushed quite a bit tbh). Features: - Works as a browser extension. Atm distributed…

    2024 · minitap.io · its alternatives →

  22. 22IM

    Try it at: ssh krnl.duetbrowser.com No sign up, totally free - no download. Let me know what you think. Prior art exists (brow.sh) but I wasn't satisfied with their graphical take. I wanted the raw, old skool terminal days of the early internet - BBS, and old green phosphor library comptuers - but running the modern web, with all the bells and jingle jangle whistles (JavaScript, etc). No funding, no VC, just 100% raw terminal fun. Not sure how long the demo will last, but try it out.

    Jul 2026 · its alternatives →

  23. 23TS

    Inspiring the Web with Just 10k

    2016 · a-k-apart.com · its alternatives →

  24. 24

    I spent the past few weeks making an open source cloud code editing environment with an AI copilot and multiplayer collaboration! It's fully self-hostable in 5-10 minutes. There's a lot of minor improvements to be made, and some are already listed in the Github issues. Let me know what you think and feel free to try it out.

    2024 · github.com · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →