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hyperfiddle
electric
Clojure2023–2026
hyperfiddle / electric

electric

Electric Clojure: full-stack differential dataflow for UI

14Distinct people
24Mentions
0Explicit recommenders
2.1KGitHub stars
REPOSITORY AT A GLANCE

What to know before exploring

What it is

Electric Clojure: full-stack differential dataflow for UI

GitHub

Where it is used

No documented product use was verified in the last source check.

What people are saying

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Also in these discussions

Mentioned in the same Hacker News threads. That is not proof they are substitutes.

This week on Hacker News

Nov 7–Nov 14 UTC · Direct repository links and separately labeled related project stories. Indexed through 11/14/2026, 12:54:37 PM UTC.

No direct repository links were found in the indexed HN discussions over the past seven days. Older discussions are available below.

Mentions over time

HN mentions by year24 dated mentions

Observed mentions: 2023-02-13 09:49:19 UTC to 2026-08-07 17:51:25 UTC.

0510152023-01-01 00:00:00 UTC to 2024-01-01 00:00:00 UTC (exclusive): 13 mentions; 1 submissions, 12 comments20232024-01-01 00:00:00 UTC to 2025-01-01 00:00:00 UTC (exclusive): 7 mentions; 0 submissions, 7 comments20242025-01-01 00:00:00 UTC to 2026-01-01 00:00:00 UTC (exclusive): 2 mentions; 0 submissions, 2 comments2026-01-01 00:00:00 UTC to 2027-01-01 00:00:00 UTC (exclusive): 2 mentions; 0 submissions, 2 comments. Incomplete calendar period.2026*

* An incomplete calendar period is marked with an outlined bar. Its count is not directly comparable with a full period.

Counts come from the repository’s dated source evidence. Index cutoff: 2026-11-02 08:16:59 UTC.

View mention counts and date ranges
UTC ranges include their start and exclude their end. Select a period to filter the source evidence.
PeriodStart (UTC)End (exclusive, UTC)MentionsSubmissionsComments
20232023-01-01 00:00:00 UTC2024-01-01 00:00:00 UTC13112
20242024-01-01 00:00:00 UTC2025-01-01 00:00:00 UTC707
20252025-01-01 00:00:00 UTC2026-01-01 00:00:00 UTC202
2026 (partial)2026-01-01 00:00:00 UTC2027-01-01 00:00:00 UTC202

What Hacker News says

24 sources
Location: Slovakia (GMT+1) Remote: Yes Willing to relocate: No Technologies: Clojure, Docker, Common Lisp, Bash/Zsh, Python ... Email: petern@riseup.net Résumé/CV: https://drive.google.com/file/d/1YzYDnSo-u823VNVIljVHH6vt8cd... I am currently a core maintainer of Electric Clojure (https://github.com/hyperfiddle/electric), a full-stack, reactive, differential language we use for building rich, dynamic UIs. Most notably I developed the last 2 generations of our compiler and pioneered the UI composition pattern we use today. I work with Clojure for 7+ years, but also did a lot (4y+) of infrastructure work before - Docker, Kubernetes, ELK stack, Kibana and more. I worked in many other languages. I am a systems-level thinker who derives solutions from first principles. I am looking for a new challenge.
In Ask HN: Who wants to be hired? (April 2026)
I didn't fully understand this idea of hydration but I also got recently interested in leveraging Wasm, in context of running parts of backend logic using it (eg. regular templating and some Htmx endpoints) to allow certain offline features with regular server-side web frameworks that could use similar Sqlite Wasm datastore as OP. - Full Django example https://github.com/m-butterfield/django_webassembly - Minimal Rust example with client-server separation using macros https://github.com/richardanaya/wasm-service - Clojure Electric using more macros for something similar (without wasm) https://github.com/hyperfiddle/electric - Recent M$ web tooling starting with letter B? In last few years, surprisingly many parts of Python ecosystem to have gained Wasm support that can leverage this also. Obvious ML related ones and even game libraries li
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ke Pygame and Pyxels. Kivy support (multi-touch UI library) should not be too far out either now that SDL2 library has added support. Seems like there's many new possibilities for running code in any computer, optionally sandboxed in web browser to avoid platform bureaucracy or taxes.
In Sqlite3 WebAssembly
> simple examples comparing Lisp ... that illustrate the benefits of using Lisp over another language It depends on what you're trying to get out of it. For example, you can grab a simple code of some React components with JSX and ask ChatGPT to write it in Hiccup (Clojure). That would show you how s-expressions can reduce the syntax boilerplate and make it smaller. You can do the same thing with Lua and Fennel - Fennel code would be much shorter and cleaner. However, without proper understanding and using structural editing and connected REPL, you probably won't see any benefits right away. Lisp code is not the best to be read off the "dead medium" - paper or screen. It's better when you have a connected REPL because it allows you to evaluate every single expression on the fly. Instead of trying to understand what (foo x y z) means, you
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can evaluate it and immediately see the results. With a connected REPL, you can evaluate them separately (individually), or together. Good talk of relevance: "Stop Writing Dead Programs by Jack Rusher" https://www.youtube.com/watch?v=8Ab3ArE8W3s Next step in understanding the benefits of Lisp code is learning structural editing. Because everything is a symbolic expression, you can easily move, transpose, change, and replace parts of your program. Instead of rewriting a function of seemingly arbitrary syntax constructs, you'll be dealing with well-structured forms that you can easily move around. No, it not the same, better or worse than using refactoring features of your IDE with other (non-lispy) languages. It's just different. These two aspects - REPL and structural editing - are really difficult to explain; one has to experience them in person to see if that way of writing software feels appealing to them. And yet, without grokking the basics of these two essential things, IMO, the Lisp experience will not be the same, and you may not get why some people get really excited about Lisps. And If you're truly looking for a brain-bender, check out https://github.com/hyperfiddle/electric. Dive into the concepts, play with the example demos, and see where it takes you. But be warned: it's an incredibly dense project and definitely not for the uninitiated. If you haven't written in Clojure before, chances are you won't fall in love with its ideas overnight. But it's a good example of "practical applications" that are difficult to achieve unless you're using a Lisp.
In The Evolution of Lisp (1993) [pdf]
Electric Clojure uses Clojure itself (s-expressions) as a graph authoring syntax, using a macro to reify dataflow through a reactive client/server system (here the use case is full stack user interfaces but the idea generalizes) https://github.com/hyperfiddle/electric (I'm the founder). IMO, the answer to the question "Where are all the graph types?" is: the graph authoring DSL needs to express scope, control flow and abstraction, which essentially makes it isomorphic to a programming language, freed of its evaluation model. In Python and Typescript, embedding a complete programming language is something that's rather hard to do! Also see my blog post "Four problems preventing visual flowchart programming from expressing web applications" https://www.dustingetz.com/#/page/four%20problems%20preventi...
In The hunt for the missing data type
Repping team Hyperfiddle here, we are super proud of: https://github.com/hyperfiddle/electric – a fully reactive Clojure dialect for web development that uses a compiler to infer the frontend/backend boundary. (BTW, Electric v3: Differential Electric is nearly here – Differential Dataflow for UI) https://github.com/leonoel/missionary – Supervised dataflow programming for Clojure/Script. For full-stack web developers who struggle to build correct and glitch-free applications, Missionary is a reactive programming toolkit based on process supervision, that lets you build massively concurrent, fine-grained reactive systems on both frontend and backend. Unlike promises and go-routines that make it easy to write a broken program, Missionary’s combinators provide the right set of constraints to let you build a fully composable program that is al
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so correct and bug-free.
In Ask HN: What's the state of Clojure's ecosystem and community these days?
As a self-taught seeker who spent 20 years in search of a better way, this is where I ended up for the heart of computer science. Most software engineering topics I picked up on the job — even distributed systems — but the actual computer science aspects I had almost zero exposure to at work. I had to seek those out, which meant rejecting the commercial methods/doctrines/thinking and escaping from Conway's Law which has infected anything touched by money. "It Is Difficult to Get a Man to Understand Something When His Salary Depends Upon His Not Understanding It" I now see actual CS exposure in industry as rare broadly (you'd have to work in a research org, which is both rare and also requires a PhD or other credential for one to be selected for the opportunity). Furthermore, the bulk of the CS literature & papers I encountered is embedded
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in those three programming languages. Now editorializing: I think Haskell is like "the periodic table of computation" as well as basically "math notation for computational structures." These deep science-y topics are hard to learn outside of school, the material is dense and there's no clear and accessible trajectory to get there, and to even identify such at trajectory you need role models and teachers of which kind industrial programmers aren't exposed to. In conclusion, I'd likely have gotten to where I am today at age 30 instead of 38 and regret the lost time wandering in the swamp of silicon valley arrogance. FWIW my startup is a CRUD Spreadsheet, we apply functional programming research to user interfaces and web development as per https://github.com/hyperfiddle/electric
In Show HN: Going into freshman year, figured I should build an interpreter

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