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We Mourn Our Craft

https://nolanlawson.com/2026/02/07/we-mourn-our-craft/
119•ColinWright•1h ago•87 comments

Speed up responses with fast mode

https://code.claude.com/docs/en/fast-mode
22•surprisetalk•1h ago•24 comments

Hoot: Scheme on WebAssembly

https://www.spritely.institute/hoot/
121•AlexeyBrin•7h ago•24 comments

Stories from 25 Years of Software Development

https://susam.net/twenty-five-years-of-computing.html
62•vinhnx•5h ago•7 comments

OpenCiv3: Open-source, cross-platform reimagining of Civilization III

https://openciv3.org/
828•klaussilveira•21h ago•249 comments

U.S. Jobs Disappear at Fastest January Pace Since Great Recession

https://www.forbes.com/sites/mikestunson/2026/02/05/us-jobs-disappear-at-fastest-january-pace-sin...
119•alephnerd•2h ago•78 comments

Al Lowe on model trains, funny deaths and working with Disney

https://spillhistorie.no/2026/02/06/interview-with-sierra-veteran-al-lowe/
55•thelok•3h ago•7 comments

Brookhaven Lab's RHIC Concludes 25-Year Run with Final Collisions

https://www.hpcwire.com/off-the-wire/brookhaven-labs-rhic-concludes-25-year-run-with-final-collis...
4•gnufx•39m ago•0 comments

The AI boom is causing shortages everywhere else

https://www.washingtonpost.com/technology/2026/02/07/ai-spending-economy-shortages/
108•1vuio0pswjnm7•8h ago•138 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
1059•xnx•1d ago•611 comments

Reinforcement Learning from Human Feedback

https://rlhfbook.com/
76•onurkanbkrc•6h ago•5 comments

Start all of your commands with a comma (2009)

https://rhodesmill.org/brandon/2009/commands-with-comma/
484•theblazehen•2d ago•175 comments

I Write Games in C (yes, C)

https://jonathanwhiting.com/writing/blog/games_in_c/
8•valyala•2h ago•1 comments

SectorC: A C Compiler in 512 bytes

https://xorvoid.com/sectorc.html
9•valyala•2h ago•0 comments

Vocal Guide – belt sing without killing yourself

https://jesperordrup.github.io/vocal-guide/
209•jesperordrup•12h ago•70 comments

France's homegrown open source online office suite

https://github.com/suitenumerique
558•nar001•6h ago•256 comments

Coding agents have replaced every framework I used

https://blog.alaindichiappari.dev/p/software-engineering-is-back
222•alainrk•6h ago•343 comments

A Fresh Look at IBM 3270 Information Display System

https://www.rs-online.com/designspark/a-fresh-look-at-ibm-3270-information-display-system
36•rbanffy•4d ago•7 comments

Selection Rather Than Prediction

https://voratiq.com/blog/selection-rather-than-prediction/
8•languid-photic•3d ago•1 comments

History and Timeline of the Proco Rat Pedal (2021)

https://web.archive.org/web/20211030011207/https://thejhsshow.com/articles/history-and-timeline-o...
19•brudgers•5d ago•4 comments

72M Points of Interest

https://tech.marksblogg.com/overture-places-pois.html
29•marklit•5d ago•2 comments

Unseen Footage of Atari Battlezone Arcade Cabinet Production

https://arcadeblogger.com/2026/02/02/unseen-footage-of-atari-battlezone-cabinet-production/
114•videotopia•4d ago•31 comments

Where did all the starships go?

https://www.datawrapper.de/blog/science-fiction-decline
76•speckx•4d ago•75 comments

Show HN: I saw this cool navigation reveal, so I made a simple HTML+CSS version

https://github.com/Momciloo/fun-with-clip-path
6•momciloo•2h ago•0 comments

Show HN: Look Ma, No Linux: Shell, App Installer, Vi, Cc on ESP32-S3 / BreezyBox

https://github.com/valdanylchuk/breezydemo
273•isitcontent•22h ago•38 comments

Learning from context is harder than we thought

https://hy.tencent.com/research/100025?langVersion=en
201•limoce•4d ago•111 comments

Show HN: Kappal – CLI to Run Docker Compose YML on Kubernetes for Local Dev

https://github.com/sandys/kappal
22•sandGorgon•2d ago•11 comments

Monty: A minimal, secure Python interpreter written in Rust for use by AI

https://github.com/pydantic/monty
286•dmpetrov•22h ago•153 comments

Making geo joins faster with H3 indexes

https://floedb.ai/blog/how-we-made-geo-joins-400-faster-with-h3-indexes
155•matheusalmeida•2d ago•48 comments

Software factories and the agentic moment

https://factory.strongdm.ai/
71•mellosouls•4h ago•75 comments
Open in hackernews

Show HN: Fanfa – Interactive and animated Mermaid diagrams

https://fanfa.dev/
154•bairess•2mo ago

Comments

2muchcoffeeman•2mo ago
Can’t tell from that link. Is there a better layout engine?
fwip•2mo ago
Is there a way to control the mechanics of the animation? I poked around a bit and didn't see a way to configure what was sent down the arrows or how often - just some theming options.

For example, if you're visualizing a user flow, you might want rules about when new "objects" are sent down the pipe (example node rule: wait until received one item from each input), or how fast they travel, etc.

bairess•2mo ago
There will more a powerful controls for each node soon. For now there is a "Director mode" to control speed and traffic.
yakbarber•2mo ago
love it!
mal10c•2mo ago
I don't understand how to use this, but it does touch on an interesting topic. I want to create interactive and animated diagrams. I normally use either Draw.io or plantuml. My goal is to better teach folks about the systems I'm building, through better visualizations. Something like IcePanel (which is way too expensive) sort of shows flows, but I'd like to have full control. Does this tool claim to support something like that? If not, are there options out there that I don't know about?
difosfor•2mo ago
I don't see anything animated except a bit on load? I don't get it. This is on iOS Safari.
bairess•2mo ago
Will take a look let me know the details please
larodi•2mo ago
I don't understand who in the world needs animated something on his diagrams.
nantangitan•2mo ago
There's been times in the past when I've had nontechnical stakeholders present for otherwise technical meetings. A little bit of colour and a little bit of animation can go a long way to helping people who may be less familiar with this type of diagram to understand it better.

All the better if I can take an existing diagram and just spruce it up slightly for presentation.

larodi•1mo ago
I’ve done my fair share of diagramming and one thing I know for sure is markup (In he visual one) needs to be as clear as possible.

As someone who started with demo scene and all I can understand the drive to have moving parts and all the gay stuff, but many people get easily confused by colours and animation.

Oras•2mo ago
Nice! I always looked for a solution to animate diagrams as it would help a lot in visualising the workflow.

Feedback:

1. I tried different mermaid diagrams from https://mermaid.live/, and your animation is only working with classes and flowcharts. It didn't work with the sequence diagram (which is the most interesting to me).

2. It would be great to control the animation to be a sequence instead of one animation for all arrows at once. What I would like to do is show fellow devs the workflow from start to finish, according to the spec.

I appreciate that this is just a start, but it looks promising and has great potential. Good luck!

bairess•2mo ago
Thanks for the valuable feedback. I already cover most of the issues that you described. Should be good to go in the next release
tillcarlos•2mo ago
Awesome idea! I'm trying to use it for a YouTube video.

This graph here has display issues. And the CPU is used waay too much on firefox

``` flowchart TD Step1["*Step 1: POC* (4 weeks)<br/>Vibe code for ONE tenant"]

    Step1 --> Validate & Hire

    Validate["Validation (4 weeks)"]
    Hire["Hire developer (4 weeks)"]

    Validate & Hire --> Spec

    subgraph Spec["**Step 3: Specification** (with dev)"]
        SpecStart["Parallel"] --> UI["UI prototype"]
        SpecStart --> POC["POCs of all parts"]
        SpecStart --> Arch["Architecture + stack"]
        SpecStart --> Infra["Infrastructure"]
        SpecStart --> FullSpec["Full MVP spec"]
        UI & POC & Arch & Infra & FullSpec --> SpecEnd["Done"]
    end
```
bairess•2mo ago
Feel you, Im running FF/macos as well and svg aniamtions over CPU/GPU could be a problem. Im planning to address this issue soon
frankhsu•2mo ago
I love it. I saw a comment in this thread saying that adding animation to a chart is pointless.

However in some public speeches, I've always wanted to add some cool charts to attract attention. Especially at large events, a slightly different presentation can make my stuff stand out and gain more attention.

Your work has a nice launch here in HackerNews but no upvotes on ProductHunt, so I just voted there to support you

tillcarlos•2mo ago
Yeah, 100%. Just having something to move around catches the eye. Cheap trick but works - that's why most short videos have subtitles.

I love this idea. Problem is: it competes with "Hey Claude, take this diagram and animate it". The results are different (worse / better in different regards), but you can modify it more to your liking.

Maybe I'm not seeing the exact use case. I was very close to buying the plan (3 usd / m is a steal), but with Claude I can be more specific what I want.

scoot•2mo ago
Short videos have subtitles for engagement with those watching without sound (a significant proportion)
max002•2mo ago
it depends, if I want to create and edit graph fast, make sure style is consistent etc. then this suits my needs better.
bairess•2mo ago
Yes. I could just render the .mmd plain as vanilla and will works just fine for devs but It may not get the attention of non technical folks
j45•2mo ago
Motion definitely can help charts work better. Especially when the charts get really complex or detailed.
knuit•2mo ago
I would love an option to export as a gif that loops perfectly.
jankovicsandras•2mo ago
Looks cool!

Here's some feedback:

- the diagram is not centered and zoomed by default, this is easy to fix

- it would be great to have better animation controls, like progressbar, play half speed, etc.

- it would be great to be able to export animation to video, animgif, etc. e. g. with ffmpeg.js

matsz•2mo ago
You might not even need ffmpeg.js for that anymore. WebCodecs API is well supported nowadays.

https://developer.mozilla.org/en-US/docs/Web/API/VideoEncode...

max002•2mo ago
wow, this is cool, to be frank im working on something similar so we might end up being competition xD but i dont want to hijack thread, nice work and congrats on release, upvoted you on producthunt!
me_bx•2mo ago
Congrats on launching.

It might be worth considering a feature to time/schedule each flow's animation, rather than having them run in an infinite loop, all at the same time.

UX feedback:

* The animation and the whole interface are sluggish on firefox/linux. There's about 1 sec delay after each action (like clicking on an option). * The site's CSS does not load on an old version of Chrome - v90 - (and the chart and animation don't either).

marapuru•2mo ago
It looks nice at first sight, but which data moves to which point exactly? Every element has blobs with all colours of the rainbow just moving across a line.

Wouldn't it be better if a Red square emits a Red ball that moves to some place? Or at least highlight 'paths' to show how stuff actually moves around?

victor_y•2mo ago
Looking quite promising! I would love to use this as a code friendly animated diagraming tool. Some feature requests that would make it stand out for me:

1. Have you thought about creating some react components that would render these? You could then embed them in webpages and docs using something like https://fumadocs.dev/

2. For the animations themselves, you could have more customization options. For instance, adding the support for text cards or different shapes. I think having the option to add text in the moving parts would be really helpful for this kind of use case.

j45•2mo ago
This looks great.

For the demo on the screen, it would be great to reveal each subgraph as a step before it all flows together.

Is there any thought / plan / feasibility for adding a "reveal" type verb that could be placed between each subgraph to wait for a keypress to reveal the next subgraph? In the meantime, one could create 3 diagrams I guess of with one more subgraph added.

n0um3n4•2mo ago
Huh... I'm not being to login with github :/ it says 404:

https://github.com/login/oauth/authorize?access_type=offline...

emmavis•2mo ago
Looks good, can i animate just connection to clicked node?
jadbox•2mo ago
- how much is Pro and what does it do?

- can I download as animated gif or mpeg4 to embed into slides?

GrinningFool•1mo ago
The animations don't seem to be retained across nodes, which seems to make the animations pretty noise more than a means to convey useful information.

For example in this simplified chart:

    flowchart LR
        subgraph Inputs
            A
            B
        end

        subgraph Middleware
            M 
        end

        subgraph Outputs
            X
            Y
        end

        A --> M
        B --> M
        M --> X
        M --> Y
        G --> L
    end
```

The input animation colors are pink and green, but the next step (M->output) is blue and orange.

I'd expect to see actual flow of usage/data (and if it included diagram syntax to specify message rates, etc that would be even better). So if there's a blue dot on the input side, I should be able to track that on the output side to its final destination.

euroderf•1mo ago
Go has a package to parse its own source. Use it to map a Go executable to Fanfa and then take a front row seat to watch your code execute.