Dev Radar
Support
LiveUpdated 2026-09-19 17:33 UTC

springline

springline is springline: tune stiffness, damping and mass, get back a CSS linear() easing. Spring feel with zero runtime.. It is ranked #534 on the Dev Radar, in Web frameworks, first seen 8 days ago and shared in 2 posts (5k views).

Visit springline-site.vercel.app

springline · springs without the runtime <!-- /\/\/\/\ springline · v0.1.0 --> github # Springs without the runtime > Tune stiffness, damping and mass. springline simulates the bounce and hands back a linear() easing — paste it into any transition and ship nothing to the browser. ## tune — ``` controls stiffness 180 damping 17 mass 1.0 velocity 0 gentle snappy bouncy stiff ``` ``` plot braille · live — overshoot — ``` ``` motion │ ● ``` replay ## output — ``` css 1 linear(…) ``` > [!note] this browser lacks linear() — the demo runs a cubic-bezier fallback, which is what springline emits there too. ## vs the defaults - springline │ ● - ease…

What people said about springline on X

Your springs don't need a JavaScript loop, springline turns stiffness, damping and mass into one CSS easing. Nothing ships. Nothing janks. https://springline-site.vercel.app/

@dwhitedesign, 8 days ago · 56 likes · see the post

Spring physics. Zero runtime. spring({ duration: 0.5, bounce: 0.4 }) → one CSS string. Paste it into any transition and the compositor does the rest. npm i springline https://springline-site.vercel.app/

@dwhitedesign, 8 days ago · 51 likes · see the post

Alternatives to springline

springline in numbers

FAQ

What is springline?

springline: tune stiffness, damping and mass, get back a CSS linear() easing. Spring feel with zero runtime. It was first shared on X 8 days ago and is ranked #534 on the Dev Radar.

Is springline free?

Yes, it is free to use.

Who shared springline?

1 account on X, including @dwhitedesign, in 2 posts totalling 5k views.

Every post is read and classified by Jev (TypeSafe): what it is, which market it belongs to, and whether the link is a real tool. 12.2k posts from 4.7k X accounts over the last 21 days, 1.3k tools, 12 markets. Collected every 5 minutes, fully re-ranked every hour — last update 2026-09-19 17:33 UTC. Full method.