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Show HN: HTML, CSS and JavaScript in the Terminal

Hacker News - Mon, 07/13/2026 - 11:52am

This is a model I’ve been thinking about lately. It demonstrates a pattern that I’m wondering could exist, where terminal applications, BBS-style shared user boards, and other expressions of creativity and sharing are created with web technologies but rendered into the terminal and accessed over SSH.

I like that this brings back some kind of old days of the internet feeling and uses web technologies but sidesteps the public World Wide Web, even though it’s still on the internet.

You can try it out too right now, and I’m thinking about making the self-hosting specialized applications part a first-class thing. But right now, the project is organized as a browser rendering engine, which I spent eight years on since the end of 2018, most of that without AI, writing all the code myself. And then a terminal renderer, which connects to that browser renderer and takes its output and bookkeeping and renders it into the terminal.

And that is designed by me, including the layout algorithm, but AI wrote almost all the code. So I am basically a software designer and AI nudger in that one. My flow is essentially like one agent at a time, and I’ll monitor it, nudge it based on my intuitions if it gets stuck or needs help or whatever, and guide it towards the goal. Plus being the designer and decision maker.

AI makes a lot of decisions, but I make the most of them. So that’s just describing my flow of how I created this terminal thing, which is roughly around a year old.

And originally it was created with Gemini Pro 3.1, which at that time a year ago was sort of the most capable model for complex tasks. And I literally did it on the free AI Studio web application, just like pasting in code listings. Obviously, with agents now, everything is much smoother as a workflow.

This demo has some kind of a cap on it, so let me know if it hits that. It probably won’t, but feel free to tell me. And you can self-host it today. Let me know if you want to do that.

This text was dictated by me and then had punctuation and paragraphing added, but the wording was not changed.

Comments URL: https://news.ycombinator.com/item?id=48894572

Points: 1

# Comments: 0

Categories: Hacker News

Impossible to Install a ChatGPT Plugin with Adblock On

Hacker News - Mon, 07/13/2026 - 11:51am

Repro:

1. E.g. go to: https://chatgpt.com/plugins/plugin_asdk_app_6a4656c688748191be4c5247fb0d5dfc

2. Click on "Install plugin"

3. Click on "Sign In"

4. An empty tab opens and nothing happens...

Comments URL: https://news.ycombinator.com/item?id=48894554

Points: 1

# Comments: 0

Categories: Hacker News

Would you use AI to discover investment opportunities?

Hacker News - Mon, 07/13/2026 - 11:50am

Article URL: https://labhtark.com/ai/

Comments URL: https://news.ycombinator.com/item?id=48894539

Points: 1

# Comments: 0

Categories: Hacker News

20problems.com – Daily Math Quiz

Hacker News - Mon, 07/13/2026 - 11:45am

Article URL: https://www.20problems.com/

Comments URL: https://news.ycombinator.com/item?id=48894467

Points: 2

# Comments: 0

Categories: Hacker News

Silvia – AI CFO built for serious investors

Hacker News - Mon, 07/13/2026 - 11:45am

Article URL: https://www.cfosilvia.com/

Comments URL: https://news.ycombinator.com/item?id=48894466

Points: 2

# Comments: 0

Categories: Hacker News

A/B Test results: Trying different homepage heroes got us 2.6x sign-ups

Hacker News - Mon, 07/13/2026 - 11:43am

Last year, we rebranded forms.app, a form builder app. With the rebranding, we had an experimental hero section that we quite liked. It was an AI generator; people write what type of form they like, and even before they sign in, they get it.

I'd have liked to include all images here, but you can check them out here: https://salimdin.substack.com/p/how-an-ab-test-more-than-doubled-our-signups-on-formsapp

After a few months, we realized something was off. We thought it was about rankings, but after a few discussions, we decided to test our homepage hero section against two alternatives.

- Variant A: The AI generator version

- Variant B: Only sign-up buttons (nothing else)

- Variant C: A single button for the app itself (playground without sign-up)

We ran the experiment for 2 weeks and only for new visitors. The results were interesting, to say the least:

- Variant A came last on every single metric

- B got 2.6x the sign-ups of A

- C got fewer sign-ups than B, but those who did sign up activated more; so it's a more distilled result.

Seeing these results, we decided to move forward with Version B, as it has more promise, and agreed that B and C deserve their own testing.

Recently, we changed our pricing, and with it, Version B got an update. Soon, the C version will be updated too, and we'll pit them against each other. I'll be sharing the results when we run that A/B test.

What do you think? Are the results what you expected, or did they surprise you too?

It's not a promotion, just an article where I show the version and the results, but I couldn't submit with the URL (probably due to the Substack URL). So here it is: https://salimdin.substack.com/p/how-an-ab-test-more-than-doubled-our-signups-on-formsapp

Comments URL: https://news.ycombinator.com/item?id=48894437

Points: 1

# Comments: 0

Categories: Hacker News

Show HN: Display Excel files in your web app

Hacker News - Mon, 07/13/2026 - 11:40am

Hello Hacker News!

I have just launched SpreadsheetPreview, an embeddable Javascript/Typescript component that displays an Excel file (.xlsx) in any browser.

Benefits: No upload. No server. No Microsoft Office dependency.

You can see it here: https://spreadsheetpreview.com.

The component is based on DataGrid Toolkit, the toolkit that also powers upcoming DataGridXL v4, which is an editable data grid component with an Excel-like interface.

The component is free to use for non-commercial projects. Commercial use requires a license.

Please try it out and let me know what you think!

Best,

Robbert

Comments URL: https://news.ycombinator.com/item?id=48894390

Points: 1

# Comments: 1

Categories: Hacker News

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