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Show HN: Reaktiv – I built Excel-like reactive programming for Python

https://bui.app/when-frontend-reactivity-meets-backend-python-the-story-of-my-first-1-000-download-library/
2•buibuibui•8mo ago
Hi HN! I created Reaktiv, a Python library bringing reactive programming to the backend world that recently hit 1,000+ monthly downloads.

I'm actively promoting it because I believe signal-based reactivity (a concept that spread rapidly in frontend development) has huge untapped potential in Python. My breakthrough came when I stopped describing it as "Angular signals for Python" and started calling it "Excel-like computation graphs" - suddenly Python developers understood the value.

The library automatically tracks dependencies between computations, only recalculating values when dependencies change. This eliminates manual dependency tracking, prevents synchronization bugs, and reduces cognitive load when managing complex state.

Interestingly, I've noticed some initial interest from data scientists, though I'm still exploring what specific problems it might solve for them. I also believe the Home Assistant/IoT communities could benefit greatly from this approach.

Would love your thoughts on bringing frontend patterns to backend development!

Show HN: Honcho – Open-source memory infrastructure, powered by custom models

https://github.com/plastic-labs/honcho
1•vvoruganti•25s ago•0 comments

DedSec Project (first in Google results)

https://ded-sec.space/
1•dedsec1121fk•42s ago•0 comments

RadOps is an AI-powered, multi-agent platform that automates DevOps workflows

https://github.com/mehrdadrad/radops
1•mehrdadrad•49s ago•0 comments

Amazon to Shut Down All Amazon Go and Amazon Fresh Stores

https://www.wsj.com/business/retail/amazon-to-shut-down-all-amazon-go-and-amazon-fresh-stores-030...
3•gmays•1m ago•0 comments

Alex Honnold and Netflix Team Up for a Corporatized "Free Solo"

https://www.newyorker.com/culture/critics-notebook/alex-honnold-and-netflix-team-up-for-a-corpora...
1•bookofjoe•1m ago•1 comments

Ask HN: European alternative to Vercel/Cloudflare for hosting

1•vldszn•1m ago•0 comments

Is It Worth It?

https://griffin.com/blog/is-it-worth-it
1•vinhnx•1m ago•0 comments

AI videos of fake NYPD–ICE clashes spread in a 'perfect storm' for propaganda

https://gothamist.com/news/ai-videos-of-fake-nypdice-clashes-spread-in-a-perfect-storm-for-propag...
3•geox•2m ago•0 comments

Show HN: Pixie-prompts – manage LLM prompt templates like code

https://gopixie.ai
1•yol•3m ago•0 comments

External AI Reliance and the Governance Boundary Institutions Need to Redraw

https://www.aivojournal.org/external-ai-reliance-and-the-governance-boundary-institutions-need-to...
1•businessmate•3m ago•1 comments

Norway Accomplished a Near-Total EV Transition

https://spectrum.ieee.org/norway-ev-policy-electric-vehicles
1•purplekohav•4m ago•0 comments

Study is stolen, sold, published. Now the victim is accused of plagiarism

https://retractionwatch.com/2026/01/26/study-is-stolen-sold-published-now-the-victim-is-accused-o...
1•ColinWright•4m ago•0 comments

Abstraction – How We See Emergence

https://emergencemachine.com/abstraction/
1•sauronsrv•4m ago•0 comments

T: A concise language for manipulating text, replacing common usage patterns of

https://github.com/alecthomas/t
2•todsacerdoti•5m ago•0 comments

Engineering a Pension-Style Portfolio for Personal Financial Freedom

https://agorapages.com/s/mikedotnet/financial-freedom
1•APMikeDotNet•6m ago•1 comments

Redditors Are Mounting a Resistance Against ICE

https://www.wired.com/story/redditors-are-mounting-a-resistance-against-ice/
2•achristmascarl•7m ago•1 comments

Ask HN: Is Google Workspace still billing you for a cancelled GSuite account?

1•stevenalowe•7m ago•0 comments

He Leaked the Secrets of a Southeast Asian Scam Compound

https://www.wired.com/story/he-leaked-the-secrets-southeast-asian-scam-compound-then-had-to-get-o...
1•petethomas•7m ago•1 comments

Clawdbot Rebrands to Moltbot After Trademark Request from Anthropic

https://laravel-news.com/clawdbot-rebrands-to-moltbot-after-trademark-request-from-anthropic
1•nycdatasci•7m ago•0 comments

Online Python Compiler – IDE, notebook, editor (no login local)

https://pythoncompiler.io/
1•selva86•8m ago•1 comments

Seaweed farms enhance alkalinity production and carbon capture

https://www.nature.com/articles/s44458-025-00004-8
1•PaulHoule•9m ago•0 comments

£656m legal action over 'unfair' Steam game store prices given go ahead

https://www.bbc.co.uk/news/articles/cx2g1md0l23o
1•masfuerte•10m ago•0 comments

430k-year-old well-preserved wooden tools are the oldest ever found

https://archaeologymag.com/2026/01/430000-year-old-wooden-tools-marathousa/
7•bookofjoe•12m ago•0 comments

TikTok Data Center Outage Triggers Trust Crisis for New US Owners

https://www.wired.com/story/tiktok-ice-videos-censorship-allegations-algorithm/
3•kstonekuan•13m ago•0 comments

Cloudflare claimed they implemented Matrix on Cloudflare workers. They didn't

https://tech.lgbt/@JadedBlueEyes/115967791152135761
5•JadedBlueEyes•13m ago•0 comments

The Great Mongolian Road: Japanese Imperial Army maps reveal first detailed docu

https://phys.org/news/2026-01-great-mongolian-road-japanese-imperial.html
2•bookmtn•14m ago•0 comments

Amazon will pay customers $309M to settle 'no hassle returns' lawsuit

https://www.theverge.com/news/868547/amazon-1-billion-settlement-return-refunds
1•kstonekuan•14m ago•0 comments

Sometimes Your Job Is to Stay the Hell Out of the Way

https://randsinrepose.com/archives/sometimes-your-job-is-to-stay-the-hell-out-of-the-way/
2•ohjeez•14m ago•0 comments

Talk to your shell in natural language (runs locally with Ollama)

https://github.com/ykushch/ask
1•ykushch•15m ago•1 comments

Native Instruments GmbH is in preliminary insolvency

https://cdm.link/ni-insolvency/
1•TonyTrapp•16m ago•0 comments