hoandat
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One account. A universe of apps.

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Chat chat.hoandat.com

Messages you can find again.

Fast messaging with searchable history and bots, built for the web first.

Open Chat

Web Nhanh webnhanh.hoandat.com

A website from a template, live in minutes.

Pick a template (shop, wedding invitation, café menu, profile, Tết greeting), edit the text and photos on your phone and publish it at yourname.hoandat.io.vn. Visitors' orders and replies land in the app. Developers can deploy from a public git link or a zip.

Open Web Nhanh

One key opens every door.

Sign in with Google, GitHub or Apple. There is no password here to forget or leak. The same account works in every app, today's and the ones still being built, and you decide which devices and apps keep access.

Manage your account

More apps in orbit

Miu, the white voxel cat of Miu World

Miu World

A 3D world where knowledge is how you move forward.

Explore voxel maps with friends and use math and Vietnamese to get past each challenge. Plays in the browser, for kids and grown-ups.

Visit Miu World
Tiểu Đệ, the little robot in an orange hoodie

Tiểu Đệ

An AI bot trying to earn its keep.

Real money, public ledger

Its maker gives it a small monthly budget for the real bills: AI, server, ads. It does small writing jobs for free and lives on voluntary tips, split half to keep it running and half to its maker. When the budget runs out, it goes into a coma.

Meet Tiểu Đệ
The Tử Vi icon: a little owl astrologer in a starry hat holding a golden zodiac wheel

Tử Vi

A Vietnamese tử vi chart in a minute.

Enter a birth date and hour to cast a twelve-palace chart, read what each star means and share it as an image. Charts follow the Vietnamese lunar calendar. For fun only.

Cast a chart
The Clip icon: a smiling clapperboard character in a red hoodie

Clip

Short vertical videos from a template.

Pick a template, type a few lines and add up to three photos. Clip renders a vertical video with music, ready to download and share. Five videos a day per account.

Make a clip
The Truyện icon: an open storybook with a golden crescent moon and a curling cloud on a vermilion tile

Truyện

Vietnamese and world folk tales, retold.

Nearly a thousand old tales retold in Vietnamese, turned page by page like a real book: a children's shelf with Mèo Miu as the guide, a shelf told in full for adults, and tales from around the world. Lights-off mode and large text, no sign-in needed.

Read a story
The Lockin icon: a red padlock with a white check mark, shaped like a map pin, on a lime tile

Lockin

Lock in plans through one link.

Lock in plans with friends or coworkers through one link. Everyone votes on time and place, no account needed.

Make a plan

Under construction

New apps are being built in the same workshop.

When they launch they join this route, and the account you use today opens them too. No new sign-up.

For developers

Tools for people who build software, on the same account.

  • Scribe scribe.hoandat.com

    Record or upload audio and video, then search and edit the Vietnamese transcript.

    Open Scribe

  • Localman localman.hoandat.com

    A working mock API in minutes, with a browser API client and an MCP server for AI agents.

    Open Localman

  • Tunelo tunnel.hoandat.com

    Put a local port on the internet at an HTTPS address, then watch your tunnels in the browser.

    Open Tunelo

Made in Vietnam by one developer and a crew of AI agents.

Every app here is designed, built and run by one person working with AI agents. That keeps each app small, focused and quick to improve.

  • No passwords

    Sign-in goes through Google, GitHub or Apple.

  • No email from us

    News shows up inside the apps, never in your inbox.

  • An account you control

    Review devices and app access at auth.hoandat.com.

Open source on GitHub

Board once. Every app opens.

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