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Show HN: ChartGPU – WebGPU-powered charting library (1M points at 60fps)

https://github.com/ChartGPU/ChartGPU
374•huntergemmer•6h ago•128 comments

Show HN: Company hiring trends and insights from job postings

https://jobswithgpt.com/company-profiles/
18•sp1982•3h ago•3 comments

Show HN: Rails UI

https://railsui.com/
57•justalever•2h ago•46 comments

Show HN: See the carbon impact of your cloud as you code

https://dashboard.infracost.io/
41•hkh•5h ago•11 comments

Show HN: yolo-cage – AI coding agents that can't exfiltrate secrets

https://github.com/borenstein/yolo-cage
40•borenstein•5h ago•58 comments

Show HN: Sornic – Turn any article into a podcast in 10 seconds

https://sornic.com
2•digi_wares•33m ago•1 comments

Show HN: Retain – A unified knowledge base for all your AI coding conversations

https://github.com/BayramAnnakov/retain
2•Bayram•55m ago•1 comments

Show HN: Mastra 1.0, open-source JavaScript agent framework from the Gatsby devs

https://github.com/mastra-ai/mastra
204•calcsam•1d ago•68 comments

Show HN: What I learned building a local-only password manager (PassForgePro)

https://github.com/can-deliktas/PassForgePro
5•can-deliktas•2h ago•0 comments

Show HN: I built a chess explorer that explains strategy instead of just stats

https://www.atlaschess.me/
9•Ahmad_shuja•4h ago•3 comments

Show HN: Rowboat – Open-Source Claude Cowork with an Obsidian Vault

https://www.rowboatlabs.com/
5•segmenta•3h ago•0 comments

Show HN: Agent Skills Leaderboard

https://skills.sh
123•andrewqu•23h ago•39 comments

Show HN: Mirage – Experimental Java obf using reflection to break direct calls

https://github.com/DedInc/mirage
2•DedInc•4h ago•0 comments

Show HN: Abuse URL shorteners to host throwaway webpages

4•fainpul•6h ago•0 comments

Show HN: iOS app I made to track my anxiety

https://mudoapp.com
3•adictonator•4h ago•0 comments

Show HN: TopicRadar – Track trending topics across HN, GitHub, ArXiv, and more

https://apify.com/mick-johnson/topic-radar
34•MickolasJae•1d ago•9 comments

Show HN: Should I kill my side project?

https://naeemnur.com/should-i-kill-my-side-project/
5•naeemnur•8h ago•0 comments

Show HN: I made a roguelike game playable over SSH

https://dev-dungeon.com
6•viiralvx•5h ago•1 comments

Show HN: I built a narrative game about running a thrift shop

https://store.steampowered.com/app/2961120/Shop_Crush/
9•hollowlimb•7h ago•0 comments

Show HN: Generate animated solar system timelapse videos for any date range

https://github.com/simondorfman/solar_system_live/
8•SimonDorfman•15h ago•0 comments

Show HN: Ocrbase – pdf → .md/.json document OCR and structured extraction API

https://github.com/majcheradam/ocrbase
94•adammajcher•1d ago•34 comments

Show HN: Oauth2-forwarder – web oauth2 for dev containers

https://github.com/sam-mfb/oauth2-forwarder
3•sam256•7h ago•0 comments

Show HN: I figured out how to get consistent UI from Claude Code

https://interface-design.dev/
25•Dammyjay93•21h ago•8 comments

Show HN: Fence – Sandbox CLI commands with network/filesystem restrictions

https://github.com/Use-Tusk/fence
25•jy-tan•1d ago•7 comments

Show HN: On-device browser agent (Qwen) running locally in Chrome

https://github.com/RunanywhereAI/on-device-browser-agent
19•sanchitmonga•1d ago•3 comments

Show HN: An interactive physics simulator with 1000’s of balls, in your terminal

https://github.com/minimaxir/ballin
72•minimaxir•2d ago•15 comments

Show HN: Subth.ink – write something and see how many others wrote the same

https://subth.ink/
86•sonnig•2d ago•48 comments

Show HN: Artificial Ivy in the Browser

https://da.nmcardle.com/grow
96•dnmc•1d ago•16 comments

Show HN: Citizen Water Signal – A tool to make tap water issues visible (India)

https://www.citizensignal.site
2•eskimo87•10h ago•0 comments

Show HN: Pipenet – A Modern Alternative to Localtunnel

https://pipenet.dev/
114•punkpeye•2d ago•19 comments
Open in hackernews

Show HN: Rails UI

https://railsui.com/
57•justalever•2h ago

Comments

microflash•2h ago
Is this another Tailwind wrapper? Yes, it is.
arm32•2h ago
But this one costs $799 a year.
merelysounds•2h ago
Pricing page if anyone else is curious: https://railsui.com/pricing

"Solo" plan is $299/year (1 seat), "Team" plan is $799/year (30 seats), larger plans are "inquire now".

cousinbryce•1h ago
God grant me the confidence of whoever vibe coded this
hebejebelus•1h ago
The repo was created in May 2023, and it seems like the bulk of commits were made in 2024, before vibe coding was really a thing. I think it's pretty harsh to dismiss projects in this manner.
justalever•1h ago
Thanks for noticing. It's all hand-made with a bit of AI to talk me off ledges on the gem structure/architecture front.
tptacek•1h ago
I'm not saying this product is good or bad, because I have no idea, but this is priced too low for it's claimed value prop, not too high. 25% of a decked out developer Macbook for something that sets the look and feel of an app and forestalls an entire designer hire is an unseriously low price.

I'm not saying the product is unserious; just that developers are generally unserious about pricing.

bionsystem•58m ago
There are a bunch of those for free no ? Rails blocks (paid, about the same price as this Rails UI), Ruby UI (MIT licensed), I think I saw a couple more here.
9rx•51m ago
> 25% of a decked out developer Macbook for something that sets the look and feel of an app and forestalls an entire designer hire is an unseriously low price.

Potential value bounds the price upper end, but alternatives set what the customer will actually pay. There are much more comprehensive tools of similar nature that are offered for free.

The (somewhat) unique value proposition it offers is in how it integrates into Rails, saving an hour of a developer's time — or a couple of minutes of an LLM's time, if the slot machine happens to work in your favour on that particular spin — required to manually do it themselves. That's worth something, but if you go too high it soon becomes more cost effective to just pay someone to put in that hour.

justalever•1h ago
Yes, for a 30-seat license.
justalever•1h ago
Do you not use Tailwind? What is being wrapped? Designed and built this all as a Ruby gem, you can one-click install if you want to build prototypes with Rails even faster. I suppose you're not the target customer, but thanks for chiming in.
tptacek•1h ago
What does this even mean? Tailwind isn't like Bootstrap; it's a way of structuring styles, not a design language of its own.
css_apologist•2h ago
ugh this looks dated even by 2016 standards

when will developers learn UI actually matters

bootstrap was a mistake, and lowered the bar for everyone

justalever•1h ago
This you? https://flow-control.dev/
enraged_camel•1h ago
I would advise refraining from posting sick owns like this in your own Show HN threads.
css_apologist•1h ago
i wish :(
graypegg•1h ago
I might be missing something, but was this project started in 2016? I'm not sure what line in the sand you're drawing. That was some minima for developers "knowing UI actually matters" I presume?
volkk•2h ago
i don't get these types of products anymore. i think they're useful in their own way, but i can literally create styles with claude/gemini in a heartbeat and not have to pay some insane fee.
justalever•1h ago
Fair enough. Yes, AI can one-shot a lot now, but I sort of think human-coded stuff has its place. Having done both, I'm most often cleaning up the AI UI that did a piss poor job. I'm sure it can improve in time, though. I built this to scratch my own itch as I'm doing a lot of 0-1 development on ideas.
runjake•1h ago
Time (and money) will tell.

My guess is there's a lot of shops that don't want to mess with prompting AI to get to something clean and usable, and would rather just save money and pay the fee.

unfunco•1h ago
I think you missed a trick not naming it Railwind UI.
hebejebelus•1h ago
I used this about a year ago when I went through a short Rails phase. I was a bit surprised not to see more Rails-specific UI libraries considering how batteries-included the rest of the framework is, and at the time I didn't really 'get' tailwind. I'm not in a Rails phase anymore, but nice work on the library!
justalever•1h ago
Hey, thanks for giving it a shot! Agree on the UI front. It seems to be the most "unconventional" thing about the framework. Always struck me as odd, but I suppose it makes sense given how an app needs to adapt to a brand, audience, and market.
brooke2k•1h ago
maybe I'm just dumb but a lot of these elements don't seem to work? the "..." buttons don't open any flyout, the dropdown doesn't open up...

otherwise looks cool though

justalever•1h ago
Hey! A lot of the UI on the theme preview site and on railsui.com isn’t fully functional. It’s mostly there to show the design and layout of the components, not the underlying logic. The railsui gem itself has more complete, working components and pages.
fogzen•1h ago
I wish I could use this – unfortunately UI frameworks are a political problem at every company I've worked at. The designers feel undermined or threatened by it, and product owners want to dictate design. Despite the massive productivity benefits of a UI framework, I've never been able to convince stakeholders to actually adopt one.
justalever•1h ago
Been there! I see this as a solo dev or small startup tool, great for building 0-1 ideas faster (which is what I use it for). Unless they’re working on greenfield apps, established teams probably aren’t the ideal fit.
mattkevan•54m ago
Hey I’m a designer and I love UI frameworks. Why design and build something from scratch if someone’s already doing it for you?

Unless there’s a very specific business case that requires a custom UI it’s not worth the hassle. I want to be delivering value for the business and for users, not maintaining a UI library.

One place I worked at had built an entire responsive CSS framework, which was hard to use and took a lot of maintenance. I threw it all out for Bootstrap (as was the style at the time). Some of the senior devs were upset I’d killed their baby, but everyone else was able to move so much faster.

samtheprogram•1h ago
If you’re showing off a UI framework, I shouldn’t be accidentally scrolling left and right on the page on mobile / my iPhone. Couldn’t be bothered to scroll down the page to look at components while accidentally activating horizontal scrolling.
justalever•1h ago
Will get this fixed, thanks!
darkwater•1h ago
It happens on Firefox on Android as well
justalever•56m ago
Thanks
piskov•1h ago
Broken in Safari on iphone. For example:

- table background moves left when table is scrolled horizontally

- actions in table and dropdown do nothing on tap

- text on buttons is selectable (really?)

justalever•1h ago
Gotta love Safari. Thanks for spotting.
agentifysh•1h ago
im always surprised that Rails is still relevant

i havent used it since 2006 opting for php and django

i might give it another shot, any reason you like this more than django or other frameworks

justalever•1h ago
In general, I like it for the speed. I can build an MVP in less than a weekend using Rails, Rails UI, and some AI for some one-shot copy and random repetitive stuff.

Under the hood, I like the Rails conventions and Ruby's beauty.

unethical_ban•44m ago
I have hardware acceleration disabled in Firefox and my 5800X spins up trying to render the background wave. At least that's a known choice I made.
justalever•30m ago
Oh damn, haha. Sorry if it cooks your machine.
cosmic_cheese•35m ago
This is interesting to me as someone who worked with Rails a good deal back in the day and has interest in picking it back up.

Any chance of some themes that bring in a little dimension? Doesn't have to be early 2010s Bootstrap or anything but some subtle, crisp drop shadows and gentle gradients would be welcome.

Additionally, is unused Tailwind CSS shaken out or does it all come along for the ride?

justalever•30m ago
Yes, it's on my radar to add more unique designs to the mix. Less typical, if that makes sense. For now, it's mostly a huge head start if you're building quickly.

And yes, unused Tailwind CSS is automatically extracted when it's built. For Rails, we use the tailwindcss-rails gem as a dependency for Rails UI, which JustWorks™.

amackera•26m ago
I'm generally in favor of "Show HN" posts that are products, but this post just seems like blatant advertising.
raimo•25m ago
Good to see work in non-AI world and for Rails!

I would make it clear in the landing page that the components are for demonstration purposes by adding a title like "For example" before them.

The above the fold looks a bit packed right now. I would leave the login box out until user presses top right as it's for retentive users only.

ljm•19m ago
Agreed - particularly because there is an example of a login box and the screenshot of that is far more prominent than the rest of the design.

I don't think the demo should overpower the landing page.

And then it goes straight into themes. If I'm a Rails developer I'm not looking at theming, I'm looking for a conventional UI system that fits into Rails - stimulus, Hotwire, all that.

As far as I know, this site so far is just a bunch of specialised scaffolds for certain use-cases, but Rails itself has been capable of that the entire time.

justalever•2m ago
Good feedback! This is a common misconception about themes. Rails UI is more of a hybrid as it offers UI components plus optional pages that build out a theme using those components.

You can either take the pages and tweak them for your own use case, or just use the UI components and skip the theme entirely. If you get a chance, try the free Ruby gem to see what I mean.

justalever•6m ago
Thanks for chiming in!

The login box is maybe confusing or maybe I'm misunderstanding you, it's actually UI for a login box, not actually where you login. I agree this area could be tightened up.