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Dev tools · April 22, 2013

SR

Sync – Realtime partials with Rails

I’m Chris McCord, a programmer with a passion for science and building things. I spend my time crafting the Phoenix Framework, working with …

Sync – Realtime partials with Rails launched on April 22, 2013 with 143 votes, #11 of 528 launches that month and more than 95% of that year's launches. The site was still online in September 2026, 13 years on.

Visit chrismccord.com ↗Alternativestop 2% of April 2013

In plain words

Sync is a Rails tool that enables real-time updates of partial views in the browser without requiring a separate client-side framework. Developers can convert standard Rails partials to sync-enabled partials with minimal code changes, and those partials automatically update when data changes on the server. It's designed for Rails developers who want to add real-time functionality while maintaining their existing Rails stack and development practices.

written from the facts on this page · September 2026

From the sources

Sync started as a thought experiment that is growing into a viable option for realtime Rails apps without ditching the standard rails stack that we love and are so productive with for a heavy client side MVC framework. Sync lets you render partials for models that, with minimal code, update in realtime in the browser when changes occur on the server. We&#8217;ll run through a breakdown after the video, but first let&#8217;s see it in action: When changing your partial rendering from <%= render partial: %> to <%= sync partial: %> , Sync will render out your partial surrounded by two script tags, denoting where this partial&#8217;s DOM element begins and ends and creating a new partial to…from chrismccord.com

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