frontpage.
newsnewestaskshowjobs

Open Source @Github

fp.

Open in hackernews

Show HN: GolemUI – The new paradigm for JavaScript forms

https://golemui.com
11•wtfdeveloper•1h ago
We're a team of three friends who have been working with forms and Open Source for a decade, and we joined forces together to create something where we can apply all of our experience.

We recently released GolemUI, an Open Source library to generate forms dynamically from JSON definitions, with a typed layer to simplify authoring.

This library has a lot to offer. These are the main characteristics:

1. A JSON engine. The form is governed by a JSON definition that you can store in a DB, version, diff, or generate it with LLMs as a validated JSON.

2. We provide also 28 headless components (and growing) that you can style with CSS variables. We offer APIs so you can drop in Material, Shoelace, or your own components.

3. A DX typed authoring layer on top to write forms programmatically, that generates JSON. So you don't have to write it.

4. The same definition can render the UI components in React, Angular, Vue, Lit, or Vanilla JS.

5. We also have a deterministic MCP that has tools for to validate the model's output, generate JSONs or code, and ensure that the definition returned by the LLM is always valid.

You can find more information here:

Happy to hear any feedback from you and answer any questions!

Comments

pavlov•41m ago
The overuse of blue and purple gradient fills on the landing page is a telltale sign of AI slop.

I’m sorry, maybe it’s shallow, but that makes me close the tab.

wtfdeveloper•36m ago
haha! Fair point! We are three old school programmers and have no idea on design, so yes for the website ONLY, we let Claude designed for us...

If any designers come over to the comment section, we would love to hear from you! We'd love to improve our website with your advice.

On the other hand, the code, we started coding this more than one year ago and we have poured our souls on it.

If you can bare the AI obvious styling front page, I think you would like the framework

conartist6•12m ago
the feedback is actionable. Fix the styling. It looks awful, like it was made by a middle school student or something
cadamsdotcom•6m ago
My main advice would be to get rid of anything extraneous in the site.

Animations should serve a purpose - for example, gamifying with a fireworks animation is useful if you think that communicates what you want about the product.

Engineers know that rainbow borders on boxes are tricksy to implement but a cinch for agents. So rainbow borders are a loud way to say “we didn’t pay close attention to what we were building when we built this” - or to be a bit more kind, “we shipped our first draft”.

It’s just like reading code. Why would you want any distractions?

wtfdeveloper•1m ago
THANKS!

Well, we are very experienced developers, which is code for.. we are old... Old as from the time where websites had banners moving across the page, so that might have influenced our choices.

But these suggestions are gold to us as we have no expertise on design, so thanks AGAIN

ssalka•4m ago
There are lots of skills available that enhance Claude's design capability, eg:

https://www.tasteskill.dev/

https://www.usehallmark.com/

https://layers.jamiemill.com/

https://impeccable.style/

pooplord7•38m ago
I hate it.
typeofhuman•37m ago
Is there no file input type?
wtfdeveloper•34m ago
Good feedback! Is actually on the roadmap :)
verdverm•37m ago
How is this a new paradigm?

This idea for JSON -> form has existed for a decade, one example: https://github.com/eclipsesource/jsonforms

wtfdeveloper•35m ago
Correct,

But there is more, paraphrasing the post itself:

This library has a lot to offer. These are the main characteristics:

1. A JSON engine. The form is governed by a JSON definition that you can store in a DB, version, diff, or generate it with LLMs as a validated JSON.

2. We provide also 28 headless components (and growing) that you can style with CSS variables. We offer APIs so you can drop in Material, Shoelace, or your own components.

3. A DX typed authoring layer on top to write forms programmatically, that generates JSON. So you don't have to write it.

4. The same definition can render the UI components in React, Angular, Vue, Lit, or Vanilla JS.

5. We also have a deterministic MCP that has tools for to validate the model's output, generate JSONs or code, and ensure that the definition returned by the LLM is always valid.

So we see ourselves as the one shop stop for all your form needs.

tiborsaas•21m ago
This is a good batteries included form framework spec, but not a new paradigm. A new paradigm would be something like not filling forms at all and just process user input via an LLM. Or using voice input in a controlled way. Maybe an adaptive single input field that always knows what you need type.
wtfdeveloper•14m ago
We respect that, we believe is groundbreaking, but also we are aware that as with any other slogan couyld be highly speculative.

However, I think if you look at our offering, perhaps you will agree that there is no one out there that positions themselves as the one stop shop for forms.

nu11ptr•20m ago
As someone just starting out with the JS ecosystem, how does this compare to something like SurveyJs?
wtfdeveloper•10m ago
Honest caveat, none of us have really used SurveyJS, so correct me if I'm off. Biggest overlap is the JSON-schema idea, which is our first point here:

1. A JSON engine. The form is governed by a JSON definition that you can store in a DB, version, diff, or generate it with LLMs as a validated JSON.

2. We provide also 28 headless components (and growing) that you can style with CSS variables. We offer APIs so you can drop in Material, Shoelace, or your own components.

3. A DX typed authoring layer on top to write forms programmatically, that generates JSON. So you don't have to write it.

4. The same definition can render the UI components in React, Angular, Vue, Lit, or Vanilla JS.

5. We also have a deterministic MCP that has tools for to validate the model's output, generate JSONs or code, and ensure that the definition returned by the LLM is always valid.

But you can see that we do way more...

cmoski•14m ago
Date range picker doesn't work...
wtfdeveloper•11m ago
You would be suprised to hear this, but we are actually thrilled to hear this! We are on our first weeks (v1.02), so if you have found a bug we would love to get our hands on it!

Would you consider raising an issue here? https://github.com/golemui/golemui/issues

You could be the first person to open an issue on this repo (other that the three of us)

It goes without saying that this does work in our machines.

pylotlight•11m ago
worked for me.
wtfdeveloper•3m ago
Oh my god! Thanks so much! We are studying this immediately.
prawnsalad•2m ago
"new paradigm", "ground breaking". Yet I remember using JSON backed forms in back around 2010 and there's lots of them since. You've added a few handy UI features on top but it's hardly anything new. You're just ruining the useful features you do have with the overstated nonsense

Show HN: GolemUI – The new paradigm for JavaScript forms

https://golemui.com
12•wtfdeveloper•1h ago•20 comments

Show HN: PMB – local memory for coding agents that shows if it is used

https://pmbai.dev
7•oleksiibond•2d ago•2 comments

Show HN: Pglayers – PostgreSQL extensions as stackable Docker layers

https://github.com/pglayers/pglayers
2•iemejia•18m ago•0 comments

Show HN: A simulation of a hybrid pulse-position and duration modulation concept

https://github.com/Morphsec88/vse-compute-over-storage
4•Morphsec88•1h ago•0 comments

Show HN: HackerNows – Native iOS HN Client

https://hackernows.app/
22•maguszin•6h ago•50 comments

Show HN: QueryDrift fail CI when a PR turns 1 query into N

https://github.com/AALXX/QueryDrift
3•S3RBVN•2h ago•0 comments

Show HN: Reminal – A zero-config SSH alternative that's also mobile friendly

https://github.com/harshalgajjar/reminal
4•harshalgajjar•2h ago•1 comments

Show HN: Thumbprint – A network fingerprint observatory

https://thumbprint.me/
3•elpy1•2h ago•0 comments

Show HN: Pinch-to-zoom tree navigation

https://www.delopsu.com/pinch-to-zoom-tree-navigation
3•delopsu•2h ago•4 comments

Show HN: My 13-year-old built an ant colony tracker

https://formicarium.es
71•abelgvidal•1d ago•50 comments

Show HN: Nat traversal using ICMP Destination Unreachable packets

https://github.com/hajoon22/icmp-nat-traversal
3•hajoon22•3h ago•2 comments

Show HN: Readit, a read-it-later app I built because the others keep dying

https://wereadit.com
6•mahmoudalwadia•4h ago•3 comments

Show HN: I computed livability for all of Germany by rent, commute, and QoL

https://wohnortatlas.de/
4•ivorius•4h ago•9 comments

Show HN: Frond – a frontend runtime for your app's dependency graph

https://frondruntime.dev
19•romanonthego•4h ago•11 comments

Show HN: C++, Java and C# light-weight-logger

https://github.com/PenguineDavid/light-weight-logger
11•PenguineDavid•1d ago•0 comments

Show HN: Coding agent that compiles intent into deterministic DAG before running

https://github.com/arman-jalili/rigorix-oss
11•arman-w-jalili•15h ago•0 comments

Show HN: Erlangchain – A tiny Erlang client for LLMs

https://github.com/abhavk/erlangchain
3•Abhavk•9h ago•0 comments

Show HN: Free Online GIS Viewer and Format Converter

https://geodataviewer.com/
8•twainyoung•17h ago•1 comments

Show HN: Morph Reflexes – Multi-head classifiers for agent traces

8•bhaktatejas922•20h ago•1 comments

Show HN: TakoVM – open-source sandboxing for your agent's code

https://github.com/Tako-Research/TakoVM
6•sakuraiben•18h ago•0 comments

Show HN: Shot-scraper video tool for recording YAML-defined webapp feature demos

https://simonwillison.net/2026/Jun/30/shot-scraper-video/
7•simonw•1d ago•2 comments

Show HN: DRM-Free Books

https://frequal.com/Perspectives/DrmFreeAuthors.html
118•TeaVMFan•3d ago•46 comments

Show HN: Gilfoyle's Project but IRL

https://github.com/korrectional/GilfoyleAI
6•korrectional•14h ago•4 comments

Show HN: Openleetcode – LeetCode runner where tests live in the repo

https://github.com/therepanic/openleetcode/releases/tag/v1.0.0
6•therepanic•20h ago•0 comments

Show HN: Zanagrams

https://zanagrams.com/
392•pompomsheep•3d ago•107 comments

Show HN: Agentic Orchestrator, a TUI for long-running coding agents

https://github.com/doordash-oss/agentic-orchestrator
19•ivrr•1d ago•2 comments

Show HN: I made a heatmap of 3400 VCs who are open to cold emails

https://apparent.social/heat-map
24•west_subject•22h ago•30 comments

Show HN: Live face swap and outfit try-on in the browser

https://vivify.video/realtime-face-swap
5•mixfox•16h ago•0 comments

Show HN: Clusy – Cursor for data science notebooks in cloud

https://www.clusy.io/
7•eldar_hsnv•23h ago•1 comments

Show HN: Bash4LLM+ – A lightweight, dependency-free Bash wrapper for LLM APIs

https://github.com/kamaludu/bash4llm/
60•kamaludu•2d ago•26 comments