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Y-Sweet by Jamsocket
p/y-sweetEasily create collaborative experiences like Google Docs.
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Felicia Chang

Y-Sweet by Jamsocket [LW24] - Easily create collaborative experiences like Google Docs.

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Equipped with Google Docs-like starter kits and text editor integrations, Y-Sweet is a fully managed, open source sync engine powered by Yjs CRDTs. This launch is part of Mega Launch Week’s “Battle Royale". https://launchweek.dev/lw/MEGA

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Paul Butler
Maker
📌
Hey Product Hunt! We've been working away on Y-Sweet as an open source project for over a year now, and are excited to be able to launch our managed offering with 10GB of storage on the free tier. One of our goals with Y-Sweet has been to never lock you in -- unlike other products in the market where you have to build your whole app around a proprietary system, you can run a Y-Sweet app anywhere, whether it's on localhost, Jamsocket, or self-hosted.
Felicia Chang
Maker
Hi! Felicia here :) I’m an engineer at Jamsocket, and we’re super excited to launch Y-Sweet. As part of launch week, we're releasing an end-to-end collaboration demo that uses Y-Sweet and Supabase to create a Google Docs-like application. Check it out here: https://github.com/jamsocket/y-s... !
Michael Cata
@felicia_jamsocket we love to see it!
Tony Tong
@felicia_jamsocket amazing open source project!!!
Sarim Abbas
Automatic persistence on managed storage is so huge! Congrats on the launch! 🎉
Jake Lazaroff
Maker
Hi! I’m Jake, an engineer at Jamsocket. I built on a new command line tool called create-y-sweet-app that makes it super easy to spin up a realtime collaboration app using Y-Sweet! Get started in minutes with a multiplayer Next.js or Remix app, working locally out-of-the-box with a walkthrough on deploying to production!
Robert Cunningham
Super cool--building on top of a sync engine has saved us a ton of time, but the closed ones get expensive quickly. Great to see work on this kind of FOSS infrastructure.
Ashit Vora
Congrats on the launch @felicia_jamsocket @taylorbaldwin @paulgb @michaelsilver @jakelazaroff. Superb. Is there a cap on how many concurrent connections you can handle? How does the engine handle conflicts/race conditions during real-time collaboration? Based on time-stamp?
Paul Butler
Maker
Thanks, @ashitvora! We use a scaling model where each document has its own process, which allows us to horizontally scale out the servers. For the use cases we see most we don't hit any sort of connection limits, but if you have a use case with a high connection count I'd be glad to talk about it with you! Conflict resolution is handled by the Yjs CRDT (conflict-free replicated data types) library. For lists and text, if multiple people insert text Yjs will attempt to preserve both in a reasonable way. For maps, it's last-write-wins like you describe.
Nika
Voxel Editor is pretty cool! Nice, I will bookmark this into open-source tools. Also with you good luck with the future progress! :)
Huzaifa Shoukat
Congrats on the launch! Y-Sweet looks like a game-changer for collaborative editing. What's your favorite feature?
Paul Butler
Maker
@ihuzaifashoukat thanks! The feature I'm most proud of is that there's no lock in -- if you deploy with us and want to switch to self-hosting, you can, and vice-versa. My favorite little feature is that if you have node.js installed, you can run a server just by running "npx y-sweet serve" -- even though it's a Rust server, it will automatically download and run the correct pre-compiled binary.
Jacob Cohen-Rosenthal
My project is built on top of Y-Sweet so I really hope it succeeds!