The latest articles on DEV Community by joshcodes (@joshg). https://dev.to/joshg https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F4165149%2Fc677316f-1a59-4943-b77d-f587a4e26909.png https://dev.to/joshg en joshcodes Tue, 06 Oct 2026 02:17:06 +0000 https://dev.to/joshg/i-built-a-real-time-collaborative-cv-annotation-tool-using-crdts-and-webrtc-1cmm https://dev.to/joshg/i-built-a-real-time-collaborative-cv-annotation-tool-using-crdts-and-webrtc-1cmm <p>Hey everyone! 👋<br> I have been working on Sightline CRDT, an open in-browser tool for machine learning and computer vision teams to collaboratively audit and fix training bounding boxes without merge conflicts.<br> How it works:<br> • P2P Multiplayer: Powered by Yjs CRDTs over WebRTC so multiple auditors can inspect the same image simultaneously with zero merge conflicts.<br> • Voice Patching: Speak verbal commands like "Nudge box left" to correct coordinates and labels hands-free.<br> • Export Ready: Full COCO and YOLOv8 export directly from browser memory.<br> Try the live sandbox:<br> <a href="https://sightline-crdt.netlify.app" rel="noopener noreferrer">https://sightline-crdt.netlify.app</a><br> GitHub repository:<br> <a href="https://github.com/joshuageoschool2020-cmyk/sightline-crdt" rel="noopener noreferrer">https://github.com/joshuageoschool2020-cmyk/sightline-crdt</a><br> I would love to hear your thoughts and feedback!<br> 30 sec video- <a href="https://streamable.com/42wwsf" rel="noopener noreferrer">https://streamable.com/42wwsf</a></p> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Farticles%2Fzu1m5saqhb36e6iduvq4.png" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Farticles%2Fzu1m5saqhb36e6iduvq4.png" alt=" " width="800" height="386"></a><br> <a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Farticles%2Fcd4oz7w3l5gz3ih5qgve.png" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Farticles%2Fcd4oz7w3l5gz3ih5qgve.png" alt=" " width="800" height="368"></a><br> <a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Farticles%2Fsvd9mut3tf6sey6hwjkv.png" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Farticles%2Fsvd9mut3tf6sey6hwjkv.png" alt=" " width="800" height="390"></a></p> ai webdev productivity opensource