Primitives for building end-to-end applications in TypeScript. Creators of @EffectTS_
Internet
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- Followers 1,019
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Effectful Technologies retweeted
The Effect community is meeting on both US coasts this September:
🗽 NYC - Sep 24, 6:30 PM
luma.com/2e0qaazh
🌉 SF - Sep 30, 5:30 PM
luma.com/all-things-effect
Come spend an evening talking all things Effect!
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Effectful Technologies retweeted
Effect Days is back 🇮🇹
Join us on December 9–11 for three days with the people building Effect and the people building with it.
Workshops. Talks. Community.
Early Bird tickets are now live ↓
effect.website/effect-days
ALT Effect Days 2026 banner eaturing a large group photo of the Effect community.
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Effectful Technologies retweeted
Effect v4 Release Candidate is here!
After months of beta releases, real-world usage, and community feedback, v4 is entering the final stretch before stable.
Try it, migrate, test your integrations, and tell us what still breaks before 4.0.
↓↓↓
effect.website/blog/releases…
ALT Effect v4 Release Candidate banner. A horizontal timeline shows 3.0 stable on the left, 4.0 RC in the center marked “we are here,” and 4.0 stable on the right.
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Effectful Technologies retweeted
Enjoy a special Cause & Effect episode with @jdegoes, creator of @zioscala, and grandfather of Effect.
@schickling @MichaelArnaldi
00:00 Intro, From ZIO to Effect
06:54 Software engineering in the age of AI
12:34 More developers, but a wider skill gap
23:03 What is still worth learning?
29:40 Closing the loop around coding agents
39:10 Preventing engineering skills from atrophying
47:20 Effect through the eyes of ZIO’s creator
52:42 Why Effect’s primitives matter more with AI
58:05 Teaching coding agents to write good Effect code
1:01:25 Rethinking tests, DRY, and boilerplate
1:08:45 The Effect Companion
1:18:16 A role-playing game for learning Effect
1:25:05 Turning knowledge into a product
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Effectful Technologies retweeted
Tomorrow: full Cause & Effect episode with @jdegoes 🔥
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Effectful Technologies retweeted
Scala developers could be missing out on these #TypeScript features 👀
What's yours? 🤔 @jdegoes shares his!
Great question from our livestream with @MichaelArnaldi from @EffectfulTech 🙏
Get access to the upcoming @EffectTS_ Training: eventbrite.com/e/ziverge-eff…
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Effectful Technologies retweeted
Effect is one of the most critical pieces of technology for building with agents at this point. -- @davis7
From errors as values to services, testing, and dependency injection, Ben Davis explains why Effect v4 feels built for the AI era.
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Effectful Technologies retweeted
This Week in Effect ︀︀ #129
@zivergetech becomes the first Effect Adoption Partner & launches an Effect Training Workshop by @jdegoes
Why Effect v4 is built for AI-assisted coding - by @davis7
@theo's first PR in Effect
⤵︎
effect.website/blog/this-wee…
ALT A post by Christoph Nakazawa asking, “How do you know if someone is using Effect?” The post includes a selfie of him outdoors wearing the Effect.succeed black hat. Below, Sebastian Lorenz replies, “They can touch grass with peace of mind?”
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Effectful Technologies retweeted
We're going live TOMORROW 🚨
Why #TypeScript is a Good Fit for Unemployed #Scala Developers 🤔
🎙️ @MichaelArnaldi from @EffectTS_ and @EffectfulTech
🎙️ @jdegoes from @Ziverge
Friday, July 31st at 10am ET / 4pm CET on X, LinkedIn, and YouTube.
Follow to be notified 👀
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Effectful Technologies retweeted
We're already counting the days for our upcoming @EffectTS_ Workshop 👀
Seats are filling up fast, so make sure to book yours here:
eventbrite.com/e/19936217412…
The Effect TS Workshop gives you access to:
✅️ A minibook covering Effect TS v4
✅️ The official instructor's notebook, which teaches you the fundamentals
✅️ A (very fun) role-playing game, set in Effectville
✅️ A library of battle-tested skills
Let's return from summer with a bang. See you on September 10!
@EffectfulTech
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Effectful Technologies retweeted
Here are 3 things we're thrilled to announce, as part of our partnership with @EffectfulTech, creators of @EffectTS_ 🔥
➡️ Ziverge will be sponsoring Effect Days
➡️ We have produced an Effect SDK for @GolemCloud
➡️ We've launched an @EffectTS_ Training Workshop
Sign up for the Effect TS Training Workshop here:
eventbrite.com/e/19936217412…
Make sure you're following for more exciting things to come 👀
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Effectful Technologies retweeted
Our team is thrilled to announce that we're partnering with @EffectfulTech, creators of @EffectTS_ 🚀
Today, Ziverge becomes Effect's first Global Premier Partner.
An Effect workshop built and endorsed by the team that created the framework, open-source contributions back to the Effect ecosystem, starting with the Golem SDK for Effect, and a commercial services layer for enterprise teams: implementation, team extension, and support 👀
Read more about our partnership:
ziverge.com/blog/effect-has-…
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Get help adopting Effect with @zivergetech
Hands-on support and training for teams building with Effect and shipping to production.
Our team is thrilled to announce that we're partnering with @EffectfulTech, creators of @EffectTS_ 🚀
Today, Ziverge becomes Effect's first Global Premier Partner.
An Effect workshop built and endorsed by the team that created the framework, open-source contributions back to the Effect ecosystem, starting with the Golem SDK for Effect, and a commercial services layer for enterprise teams: implementation, team extension, and support 👀
Read more about our partnership:
ziverge.com/blog/effect-has-…
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Effectful Technologies retweeted
We shipped a brand-new Effect website.
Take it for a spin, click everything, and let us know what you think.
Bugs, feedback, confusing bits, we want all of it ↓
effect.website
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Effectful Technologies retweeted
An Effect-First Frontend Framework: @foldkit
@devinjameson joined @schickling on Cause & Effect to talk about Foldkit’s schema-first approach to frontend state, how it differs from React, and why this architecture matters even more in the age of AI-assisted coding.
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Effectful Technologies retweeted
This Week in Effect:
X Live Studio is live and fully written in Effect, by @ZachWarunek 🖤
Birdclaw by @steipete, built with Effect. 🤍
Effect Utrecht 🇳🇱 is officially on the calendar.
More below:
effect.website/blog/this-wee…
ALT Screenshot of a post by Zach Warunek from X saying, “I love that I finally got to ship something to prod that’s fully written in @EffectTS_.” The post quotes his earlier announcement introducing Live Studio, with a video preview of the interface.
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Effectful Technologies retweeted
Effectifying @opencode with @kitlangton & @schickling
Enjoy a very Kit Cause & Effect episode, technical, funny, opinionated, and full of love for effect systems.
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Effectful Technologies retweeted
Effect systems are f***ing perfect.
Promises are hot garbage.
Tomorrow: Cause & Effect episode with @kitlangton 🔥
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Effectful Technologies retweeted
Effect at Datapizza: Services & Layers in Production
Leonardo Trapani @leo_trapani | Effect Milan 2026 🇮🇹
piped.video/watch?v=mQWsm7AV…
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Effectful Technologies retweeted
Upcoming Effect meetups:
Effect Vienna 🇦🇹 -- Sponsored by @sentry
Wednesday, May 27 -- h18:00 - h21:00
luma.com/c49s62t2
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