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Crdt

Articles and publications tagged Crdt across the Atmosphere.

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Bartosz Sypytkowski Software Dev BlogSep 23, 2026

Fractional Indexes for text editing

Realtime collaborative text editing is a field, that has been extensively researched and developed in a Conflict-free Replicated Data Types communities. No wonder: it's the most widely used application of CRDTs in practice. While we're still in the early days of CRDTs (I believe), but when you take a look at the actual products, most of them nowadays use algorithms like YATA, RGA or Fugue, which all share many things in common. Fractional Indexes dropped out of favour when it comes to text edi

Bartosz Sypytkowski Software Dev BlogAug 4, 2026

Scaling Fractional Indexes

Today we'll be talking about fractional indexes, how to scale them to efficiently support millions of entries with minimal memory footprint and how to encode them efficiently. We'll also cover some domain-specific ideas that you may find novel. What is a fractional index While it was discussed several times on this blog (1, 2), let's make quick recap on what fractional index actually is. In short, Fractional Index is a Conflict Free Replicated Data Type (CRDT) that enables building indexable

Nick The SickFeb 5, 2026

Teleportal: A real-time collaborative editing framework

This is a written version of my presentation at FOSDEM 2026 Teleportal is a library of tools, based on Y.js, that you add to your application to enable real-time collaborative editing like you see in Google Docs, Notion & Figma. It is meant to be a real-time collaborative editing framework, this is in distinction from a sync server, which typically works alongside your application, with it's own storage, endpoints and APIs, rather than within your application. To get a better understanding of ho...

Devtools FM

Devtools FMMar 23, 2025

Antonio Scandurra - Atom, Zed and the Future of Text Editors

Antonio Scandurra shares lessons from building Atom and discusses Zed's Rust-powered approach to creating the next generation of collaborative text editors.

Devtools FM

Devtools FMJul 7, 2024

James Arthur - ElectricSQL

James Arthur from ElectricSQL explains how their local-first sync engine transforms Postgres into a distributed database that runs locally on every device.

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