The new standard for building collaborative local-first software.
NYC, LA, Warsaw
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Meet Composer.
A collaborative local-first workspace with customizable AI assisted workflows.
Think of it as an IDE for your team where users can install and customize plugins from a growing open source community.
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DXOS retweeted
Effect v4 is here.
One ecosystem. Zero dependencies.
The next chapter of Effect and the foundation for building reliable software and AI agents in TypeScript.
ALT Effect 4.0 stable release announcement on a dark background. Large white “4.0” above “Production-ready. Out now.” A timeline along the bottom progresses from 3.0 Stable to 4.0 RC to 4.0 Stable.
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From the recent Local-First Conf in Berlin. Thanks for the shoutout @PVH
Try Composer today - dxos.org/composer
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DXOS retweeted
How @dxos_org built Composer – an app platform with real-time collaboration & automated AI workflows.
▸ Structured data between users & AI agents w/ Effect Schema
▸ Complex async pipelines & function execution
▸ Visual orchestration system (Conductor), every node is an Effect
ALT Dmytro Maretsky from DXOS presents a demo at Effect Days 2025 showing a collaborative AI app built with DXOS, Composer, and Effect. The screen displays a chessboard and a chat interface where a user asks to see the Italian Game, and the AI responds by generating the position and explaining the opening.
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Had an epic week hanging with industry leaders at the local first conf in Berlin.
Exciting times ahead. 🚀🚀
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DXOS retweeted
I'm looking for a handful of people who are interested in helping us test a powerful new platform we're building at @dxos_org
You'll be working closely with me and our leadership team to shape the future of small team collaboration.
Here is a preview of what we're building.
DM's open
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DXOS retweeted
Announcing the Local-First Landscape
A comprehensive guide to help developers choose the right tools for building local-first applications.
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DXOS retweeted
I am pretty stoked for this one! @dxos_org has some great folks working there and I get more time to hear @heapwolf chat about the space we are innovating in
Join us tomorrow at 7pm for what I am sure will be a fascinating conversation about the future of Software development .
nitter.siddz.com/i/spaces/1rmGPypdEDVJN
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DXOS retweeted
Effect 4.0 is on the way – smaller, faster, and more refined. In his closing remarks, @MichaelArnaldi shared what’s coming:
▸ ~20× faster streams & batching
▸ Smaller bundles
▸ STM integrated into core
Big changes, same focus.
piped.video/watch?v=nyvB6nRe…
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Join us in our discord on the second Tuesday of every month for a Developer Q&A.
We will have a lot to talk about at the next one.
See you April 8th.👀🚀
Link to join discord in bio
Composer allows you to take team calls inside a privacy preserving environment with direct peer-to-peer video sharing.
Turn on transcripts to add ongoing context to your Composer workspace, and extract tasks to a global to-do list.
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Meet Composer.
A collaborative local-first workspace with customizable AI assisted workflows.
Think of it as an IDE for your team where users can install and customize plugins from a growing open source community.
🧵
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3,292
Last but definitely not least, Composer allows you to build agentic workflows leveraging the Conductor plugin. A visual programming tool for creating event driven workflows.
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All of these features and more are currently in closed beta with invites being sent out weekly.
Request access at dxos.org/composer
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Looking forward to hanging with our friends from @EffectTS_
Next up at Effect Days: Dmytro Maretskyi, Architect @dxos_org.
He aims to transform how applications handle state & data consistency by combining DXOS's local-first infrastructure with the power of Effect and AI-driven automation.
🎟️Join the conference:
effect.website/events/effect…
ALT Effect Days speaker banner featuring Dmytro Maretskyi
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