An open-source r/place canvas for realtime painting
Reddit r/place canvas clone made customizable, open-sourced and self-hosted.
An open-source r/place canvas for realtime painting launched on April 19, 2022 with 13 votes, #884 of 2,974 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 4 years on.
In plain words
An open-source collaborative canvas tool that lets multiple users paint in real time on a shared grid. Built for developers who want to explore collaborative drawing functionality or host their own painting sessions. Based on Reddit's r/place concept, it provides a foundation for creating community art projects or experimenting with real-time synchronization mechanics.
written from the facts on this page · September 2026
From the sources
From time to time, we need to load a big file. Please be patient if load takes up to a minute. I decided to create this project to showcase what Appwrite is capable of and learn how to work with canvas on a website. I took the idea from Reddit Place, where the Reddit team added a minigame similar to this one for a few weeks after April Fools' Day 🤪 In this game, anyone can color 1 pixel of 500x500 canvas every 10 seconds. There is a palette of colors you can pick from to create your masterpiece. If you want to work on a big painting, feel free to invite your friends to help youfrom almost-reddit-place.vercel.app
Does a similar job
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- RTReal-Time Collaborative Watercolor Painting Using Twitch2015 · instapainting.com · ▲109
We hooked up our robotic painter to Twitch.tv so you can see it, control it, and paint with it.
Pocketplace: a mini version of /r/place using golang and websockets2017 · github.com · ▲15:fireworks: Draw pixels on a canvas with friends. Contribute to olahol/pocketplace development by creating an account on GitHub.
Repaint – a WebGL based website builder2024 · repaint.com · ▲236Hey HN! We're Ben and Izak, founders of Repaint (YC S23). Repaint is like Figma, but for creating real websites. It has panning, zooming, and dragging elements around. The settings closely follow html/css. We think an open canvas is a big improvement over other website builders. Everything is easier: styling, consistency, responsiveness… But making it work was hard! We thought HN would appreciate the tech behind it: - A custom WebGL rendering engine (w/text, shadows, blurs, gradients, & opacity groups) - A partial implementation of the css spec - A custom text editor & text shaper…

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