Local-First, sync engines, CRDTs
Introduction to Local First & Welcome to our devroom
1. Februar 2026
09:00 – 09:05 In Kalender übernehmen
09:00 – 09:05 In Kalender übernehmen
K.3.201
<p>Welcome to the "Local First, sync engines and CRDTs devroom", first edition this year at FOSDEM'26.
We are excited to propose you a full day of amazing talks ranging from CRDT libraries and frameworks, to local first projects using them, and including academic research, UX design, sync protocols and engines.</p>
<p>We believe Local First software is the future of app development. But what is Local First software?
In this short introduction we will touch upon the general concepts and describe this new paradigm that gathers an ever growing community of enthusiast engineers, designers, researchers and developers, following the motto: "You own your data, in spite of the cloud".</p>
<p>Please come early to the devroom to take your seat, as we will start on time (9:00AM sharp). The room will be open as early as 8:30AM. It has limited capacity, and when reached, the door will be closed. We have an amazing lineup of great speakers, and you surely do not want to miss one bit of it. See you on Sunday morning!
Advice from the devroom managers: Don't miss the next talk: Jazz is a great framework and Giordano will start with an introduction to CRDTs for those who don't have prior knowledge. And then, second advice: stay with us all day, we have selected only amazing talks!</p>
Weitere Infos
| Live Stream | https://live.fosdem.org/watch/k3201 |
|---|---|
| Format | devroom |
| Sprache | Englisch |
Weitere Sessions
| 01.02.26 |
<p>CRDTs are an exciting primitive for distributed state. In local-first apps, synced CRDTs can be framed as a natural extension to reactive local state, allowing developers to build eventually consistent multi-device and multi-user apps, with business logic living completely on the client, only requiring generic syncing infrastructure.</p> <p>A key feature that traditional backends solve remains a challenge, though: how do permissions work in this world? In addition to being a ...
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| 01.02.26 |
<p>Yjs is one of the oldest and most widely used libraries that enhance web editors by allowing multiple users collaborate over documents in real time, also without requiring continuous network connection. Evernote and Jupyter Notebooks are among many of its prominent users.</p> <p>During this presentation we'll address some of the common pitfalls that new developers may encounter when working with Yjs library, what architectural foundations are causing them to happen and what can we do to ...
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| 01.02.26 |
<p><a href="https://github.com/makeplane/plane">Plane</a> is an open source project management tool used by thousands of teams. A year ago, we shipped Wiki — a collaborative documentation system built on Yjs with real-time editing, offline support, and version history.</p> <p>Yjs is remarkable. Kevin Jahns and the community have built something incredible — real-time sync, conflict resolution, offline editing, all handled elegantly. But integrating a powerful library is just the start. This ...
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| 01.02.26 |
<p>Automerge is a mature library for building local first applications by enabling version control for structured data. The strategy is to capture all edits to data at a very fine grain (e.g. per keystroke when editing text) and then present a good API for managing concurrently edited versions of this data. </p> <p>The version control approach to collaboration makes working concurrently feasible and makes servers fungible - it increases user autonomy, but it introduces problems as you can't rely ...
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| 01.02.26 |
<p>NextGraph is a protocol, a framework, and a platform that supports easy development of Local-First, decentralized, secure and private apps.</p> <p>By combining the best of the local first world (Yjs, Automerge CRDT libraries), a graph database, DID (decentralized identifiers) for users and documents, and end-to-end encryption plus encryption at rest, we provide an SDK that offers all the requirements of portability, interoperability and security needed today for building a true alternative to ...
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| 01.02.26 |
<p>Building fast, resilient, and collaborative applications increasingly demands more than reactive UI frameworks and client-side state management. The next generation brings reactivity to the data layer itself—letting applications stay in sync with the backend automatically through a sync-engine architecture.</p> <p>This talk explores how <a href="https://tanstack.com/db">TanStack DB</a> provides a practical path toward such architectures without requiring a rewrite or commitment to a ...
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| 01.02.26 |
<p>Yjs is a widely used library to build collaborative applications. BlockNote and Prosemirror are text editors that closely integrate with Yjs.</p> <p>In this talk, we'll preview upcoming functionality for Attributed Version History (who wrote what, and when?) and Track Changes (suggestions). We'll explore major new functionality coming in Yjs 14 (changesets and attributions), y-prosemirror and BlockNote that will make this possible.</p> <p>The BlockNote team (Nick, Yousef and Matthew) has ...
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