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

https://openciv3.org/
631•klaussilveira•12h ago•187 comments

Start all of your commands with a comma

https://rhodesmill.org/brandon/2009/commands-with-comma/
18•theblazehen•2d ago•0 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
930•xnx•18h ago•547 comments

What Is Ruliology?

https://writings.stephenwolfram.com/2026/01/what-is-ruliology/
34•helloplanets•4d ago•26 comments

How we made geo joins 400× faster with H3 indexes

https://floedb.ai/blog/how-we-made-geo-joins-400-faster-with-h3-indexes
110•matheusalmeida•1d ago•28 comments

Unseen Footage of Atari Battlezone Arcade Cabinet Production

https://arcadeblogger.com/2026/02/02/unseen-footage-of-atari-battlezone-cabinet-production/
43•videotopia•4d ago•1 comments

Jeffrey Snover: "Welcome to the Room"

https://www.jsnover.com/blog/2026/02/01/welcome-to-the-room/
10•kaonwarb•3d ago•9 comments

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

https://github.com/valdanylchuk/breezydemo
222•isitcontent•13h ago•25 comments

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

https://github.com/pydantic/monty
213•dmpetrov•13h ago•103 comments

Show HN: I spent 4 years building a UI design tool with only the features I use

https://vecti.com
323•vecti•15h ago•142 comments

Sheldon Brown's Bicycle Technical Info

https://www.sheldonbrown.com/
372•ostacke•19h ago•94 comments

Microsoft open-sources LiteBox, a security-focused library OS

https://github.com/microsoft/litebox
359•aktau•19h ago•181 comments

Hackers (1995) Animated Experience

https://hackers-1995.vercel.app/
478•todsacerdoti•21h ago•234 comments

Show HN: If you lose your memory, how to regain access to your computer?

https://eljojo.github.io/rememory/
275•eljojo•15h ago•164 comments

An Update on Heroku

https://www.heroku.com/blog/an-update-on-heroku/
404•lstoll•19h ago•273 comments

Dark Alley Mathematics

https://blog.szczepan.org/blog/three-points/
85•quibono•4d ago•21 comments

Delimited Continuations vs. Lwt for Threads

https://mirageos.org/blog/delimcc-vs-lwt
25•romes•4d ago•3 comments

PC Floppy Copy Protection: Vault Prolok

https://martypc.blogspot.com/2024/09/pc-floppy-copy-protection-vault-prolok.html
56•kmm•5d ago•3 comments

Vocal Guide – belt sing without killing yourself

https://jesperordrup.github.io/vocal-guide/
16•jesperordrup•3h ago•9 comments

How to effectively write quality code with AI

https://heidenstedt.org/posts/2026/how-to-effectively-write-quality-code-with-ai/
244•i5heu•16h ago•189 comments

Was Benoit Mandelbrot a hedgehog or a fox?

https://arxiv.org/abs/2602.01122
13•bikenaga•3d ago•2 comments

Introducing the Developer Knowledge API and MCP Server

https://developers.googleblog.com/introducing-the-developer-knowledge-api-and-mcp-server/
53•gfortaine•10h ago•22 comments

I spent 5 years in DevOps – Solutions engineering gave me what I was missing

https://infisical.com/blog/devops-to-solutions-engineering
141•vmatsiiako•18h ago•64 comments

Understanding Neural Network, Visually

https://visualrambling.space/neural-network/
281•surprisetalk•3d ago•37 comments

I now assume that all ads on Apple news are scams

https://kirkville.com/i-now-assume-that-all-ads-on-apple-news-are-scams/
1060•cdrnsf•22h ago•435 comments

Why I Joined OpenAI

https://www.brendangregg.com/blog/2026-02-07/why-i-joined-openai.html
133•SerCe•9h ago•118 comments

Learning from context is harder than we thought

https://hy.tencent.com/research/100025?langVersion=en
177•limoce•3d ago•96 comments

Show HN: R3forth, a ColorForth-inspired language with a tiny VM

https://github.com/phreda4/r3
70•phreda4•12h ago•14 comments

Female Asian Elephant Calf Born at the Smithsonian National Zoo

https://www.si.edu/newsdesk/releases/female-asian-elephant-calf-born-smithsonians-national-zoo-an...
28•gmays•8h ago•11 comments

FORTH? Really!?

https://rescrv.net/w/2026/02/06/associative
63•rescrv•20h ago•23 comments
Open in hackernews

Webflow makes GSAP 100% free – plus more updates

https://webflow.com/blog/gsap-becomes-free
136•mefengl•9mo ago

Comments

Zekio•9mo ago
not often you see an acquisition result in something good for existing users, and this is a surprisingly good outcome
SloopJon•9mo ago
The obvious question is, what does free mean? Here's the license:

https://gsap.com/community/standard-license/

Basically freeware with express prohibitions on competing with Webflow.

akudha•9mo ago
Isn't that fair? What am I missing?
stuartjohnson12•9mo ago
It's a land grab that, if GSAP becomes a standard, makes it that much harder to compete with Webflow.

For example GSAP will now never make its way into Figma or Framer which is a staple of the design workflows of many teams. This move by Webflow makes GSAP a line of demarkation between Figma-based workflows, Framer-based workflows, and Webflow-based workflows.

Any momentum the library might have had is now skewered by these limitations which will surely create demand for more different animation libraries to exist within other walled gardens.

The same happened to Vercel & Next.js which now seems to be powering the return of Vite & CSR.

Now that said, I'd never heard of this library until this announcement, and I don't know much about its role in the javascript ecosystem, but I can't say that the trend towards M&A kingdoms in the open source community delights me.

johncoltrane•9mo ago
FWIW, sub-5kb banners were probably the only Flash projects that didn't include GSAP before we collectively jumped ships to JavaScript and CSS for animation on the web. It was everywhere.
anon7000•9mo ago
I mean, don’t framer and figma also have loads and loads of features which you can’t import into other tools?
robertoandred•9mo ago
GSAP is already a standard and Next has always done CSR.
gman83•9mo ago
Figma and Framer both seem to be backing https://motion.dev/ which is open-source.
esperent•9mo ago
Wasn't motion.dev originally framer.motion? So not much of a surprise they are backing their own library.
xnx•9mo ago
Always cool to see more free stuff, but about the only animations I want to see on the web are from https://ciechanow.ski/
dleeftink•9mo ago
It's not just for Web though, but a really nice approach to authoring motion graphics in general. Motioncanvas is also worth a mention in this space[0].

[0]: https://motioncanvas.io/

spiderfarmer•9mo ago
To be fair, https://animejs.com gave me the same vibe. In the sense that the author obsesses over details, while also being very educational.
kbaker•9mo ago
GSAP – A wildly robust JavaScript animation library built for professionals [https://gsap.com]
XCSme•9mo ago
I keep hearing about it, but I've never used it. Why would I use it over https://animejs.com ?
Eric_WVGG•9mo ago
I only discovered GSAP the other week, very quickly solved a complex animation problem and walked away quite impressed.

Now I'm looking at AnimeJS and my mind is properly blown, looks even better.

saelthavron•9mo ago
Serious question, is this a joke? I just see a black screen when I go to the site. I refreshed multiple times. Cleared cache. Just a black screen.
moritzruth•9mo ago
You have probably disabled WebGL in your browser.
ZachSaucier•9mo ago
GSAP is a bit more robust than anime.js. Over the years anime has been adding more functionality and changing its syntax to be more like GSAP's. They're both solid libraries though
pier25•9mo ago
Amazing how far TweeLite has come. It was probably my most used dependency in Flash projects back in the day.

Jack, if you're reading, I'm sorry I made fun of the green sock brand back in the Kirupa days!

(GS in GSAP stands for Green Sock)

low_tech_punk•9mo ago
I hope this is a reaction to Framer's rapid development in Frame Motion (https://motion.dev/). Webflow and Framer are competing as site builders, so giving the animation library to everyone is like Meta giving out React.
ayhanfuat•9mo ago
I’d say it is too little too late. Motion already has the lion’s share and anime.js is another strong open source alternative. GSAP was quite big in its day but why would anyone invest in it today? Also Motion is no longer part of Framer.
_neil•9mo ago
The community for GSAP is still amazing and there’s years of forum posts for most questions you might have. Motion and anime are great but I’m skeptical that either have a lion share relative to GSAP.
rtcode_io•9mo ago
Yeah, no! GSAP is not open-source → they can pull the rag on you anytime. No need for drama when we can find/generate alternatives.
peteforde•9mo ago
You're free to use/do as you wish, but GSAP is a remarkably powerful library that benefits from two decades of very smart people optimizing it.

It's very typical for someone to look at something that is only 95% perfect and declare that they could replace it in a few days or weeks, while simply refusing to learn from history (or Joel Spolsky's warnings against the big rewrite).

azemetre•9mo ago
No. As an industry we need to start consolidating on open source tooling, we see what happens when a company breaks away from open source licenses: it hurts consumers at their detriment.

Your quote has no bearing in this context. We aren't talking about rewriting our projects, we're talking about purposely choosing open and free tools.

Also GSAP isn't even the leading animation library in JS ecosystem, thankfully.

peteforde•9mo ago
I was responding to someone who said that we could "generate" alternatives, so there's still time for you to remove the unnecessarily spiteful downvote.
peteforde•9mo ago
I was thinking about this further, and I wanted to say that you're confusing what you want with what "we" "need" to do.

I'm not trying to be argumentative so much as point out that different people/companies have different goals, motivations and values. There are many stops between avoidance and zealotry.

For the people/companies who were happy to pay for Greensock and happier to use it for free-as-in-beer, clearly there is something there which speaks to them regardless of how it is licensed. It's important to remember that freedom means people can absolutely choose a paid product, and that's no moral or ethical lapse but often an educated decision.

azemetre•9mo ago
Web flow will sue you if you use green sock as a competitor. In what world of truly open source software is that something we should allow as a society? Let alone want.

I don’t want software to get corrupted by financialization. This is why so many people are passionate about open source, it also leads us to the next phase of this battle where software patents are made obsolete because it’s all mathematics and you shouldn’t be able to patent mathematical systems.

irq-1•9mo ago
Check out Lottie for animated SVG: https://lottie.github.io/

https://en.wikipedia.org/wiki/Lottie_(file_format)

kotg•9mo ago
Lottie handles a different usecase. Lottie is used to port animations from after effects to the web as an svg animation. For this Lottie will use a static json file which is generated beforehand. It uses a quite complex structure and is mere impossible to read as a human. Making dynamic manipulations not feasible.

For dynamic animations gasp is great as you just code the animation in js making it a perfect fit for the web. The creation process can be quite cumbersome though.

satvikpendem•9mo ago
Rive is better in my experience, much more performant and a nice editor to go along with it.
icemelt8•9mo ago
Who here is old enough to know that Greensock was actually a flash library?
kabes•9mo ago
Thanks for reminding me I'm getting old
wewewedxfgdf•9mo ago
Other fun animation sites:

https://svgartista.net

https://animejs.com

https://animate.style

https://animista.net

LLMs are pretty good at this stuff too - just ask the LLM to use one of these resources when making your thing.

spiderfarmer•9mo ago
AnimeJS is so darn impressive. The site and documentation is chefs kiss.
simpaticoder•9mo ago
Interesting. "Animation" seems to cover a lot of ground, like "programming". They seem to fit into "artistic" animation, designed to be looked at, and interactive animation, and in this list mainly for UI component interaction and feedback. But in addition, animation is used for data visualization (e.g. D3 or charts.js) and game programming. Did I miss a category? Are these the right names?
nikisweeting•9mo ago
We loved GSAP and wanted to combine that style of rendering with an event-driven programming model with redux so that we could pass animation events from a backend over a websocket.

Also wanted to keep a bunch of animations on different computers around the world in sync to within ~30ms. Ended up building this library: https://monadical-sas.github.io/redux-time/

EGreg•9mo ago
Strange announcement

Wasn’t GSAP already free and open source? I remember seeing it years ago!

Is this more capitalism doublespeak?

peteforde•9mo ago
GSAP has long had a free base library with many advanced features only available on a paid subscription basis.

While free as in beer is welcome, in a past life I was happy to pay to be able to access such a powerful toolkit.

tanepiper•9mo ago
Nice development for the library, I've been using it in https://teskooano.space for ThreeJS camera transition - I'll have to check out this new stuff too
exiguus•9mo ago
Beside it's not MIT, so no one will use it. Who is using it? Last time i looked it up, it was like jQuery for animtion. What do i miss about it? Why should i use it?
rorylaitila•9mo ago
I've had good success with GSAP in a game I've been working on. For whatever reason I found it's tween and timeline a little complicated to reason about when chaining animations. But it otherwise is fast and rock solid. You can also use it to interpolate and time anything, not just animations.