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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!

Valve's Steam Machine has been delayed, and the RAM crisis will impact pricing

https://www.theverge.com/games/874196/valve-steam-machine-frame-controller-delay-pricing-memory-c...
2•lxst•7m ago•0 comments

Show HN: Vibecodr – a social network for sharing runnable web apps

https://vibecodr.space/
1•Braden-dev•7m ago•0 comments

US launches plan to tackle China's critical minerals dominance

https://www.bbc.com/news/articles/c5y41r5rzrno
1•andsoitis•13m ago•0 comments

What I Did to Earn a Chrome Web Store Featured Badge

2•backrun•20m ago•0 comments

Is Sanae "Making Money"?

2•jocelyner•20m ago•0 comments

Amazon's Alexa+ Now Free for All U.S. Prime Members

https://www.macrumors.com/2026/02/04/amazon-alexa-plus-prime/
2•tosh•23m ago•2 comments

Latest XProtect update hunts for malware in AppleScript scripts

https://eclecticlight.co/2026/02/05/how-xprotect-is-hunting-scripts/
2•chmaynard•24m ago•0 comments

Nvidia CEO says AI-replacement fears tanking software stocks is 'illogical''

https://www.businessinsider.com/ai-software-tech-stocks-sell-off-nvidia-jensen-huang-illogical-20...
2•Rzor•25m ago•1 comments

I turned my Anki side project into $15K raised on Kickstarter

https://alt-romes.github.io/posts/2026-01-30-from-side-project-to-kickstarter-a-walkthrough.html
4•romes•27m ago•0 comments

Why do I still use a notebook to track my lifts?

2•jwizzed•27m ago•0 comments

Texas Instruments to Acquire Silicon Labs

https://www.ti.com/about-ti/newsroom/news-releases/2026/2026-02-04-texas-instruments-to-acquire-s...
2•5d41402abc4b•32m ago•0 comments

Agentic AI for PHP Developers

https://codewithphp.com/series/agentic-ai-php-developers/
3•dalemhurley•33m ago•1 comments

Rise of AI means companies could pass on SaaS

https://www.msn.com/en-us/news/technology/rise-of-ai-means-companies-could-pass-on-saas/ar-AA1VFsIx
3•galaxyLogic•33m ago•1 comments

Why are Shopify app reviews so hard to evaluate?

2•sosojustdo•34m ago•1 comments

Test-Driven Context Engineering

https://www.spara.co/blog/test-driven-context-engineering
2•hammerhead72•37m ago•0 comments

Lessons from banking and finance: Why we need zero trust secrets management

https://www.hashicorp.com/en/blog/5-lessons-from-banking-finance-why-we-need-zero-trust-secrets-m...
3•romes•38m ago•1 comments

CVE-2026-22039: How Kyverno's AuthZ Bypass Breaks Kubernetes Namespace Isolation

https://www.minimus.io/post/cve-2026-22039-how-kyvernos-critical-authorization-bypass-breaks-kube...
2•dimastopel•38m ago•0 comments

SSL,HTTPS, HTTP/3, and security header checker made by AI

https://httpsornot.com/
2•dragonman•43m ago•1 comments

Sam Altman and the day Nvidia's meteoric rise came to an end

https://garymarcus.substack.com/p/sam-altman-and-the-day-nvidias-meteoric
3•onurkanbkrc•44m ago•2 comments

Show HN: LinguaMaster – Turn YouTube into an AI-powered language immersion lab

https://www.linguamaster.top/
1•haanc•45m ago•1 comments

.Beat Swatch Internet Time

https://beats.wiki/
1•Deprogrammer9•46m ago•1 comments

DAiFi Raises $20M Seed Round to Build the First Verifiable Intelligence Network

https://www.daifi.ai/blog/daifi-raises-20m-seed-round-to-build-the-world-s-first-verifiable-intel...
1•whatsupdog•46m ago•0 comments

The broadcasting tricks behind Nintendo Direct

https://ravi64.com/secret-tricks-of-nintendo-direct/
2•merlioncity•46m ago•0 comments

Show HN: I built an AI tool to help technical founders improve their pitch

https://pitchmode.org
1•kate_orlova•48m ago•2 comments

Peak Human

https://www.cato.org/books/peak-human-0
1•andsoitis•51m ago•0 comments

A plea for lean software [pdf]

https://cr.yp.to/bib/1995/wirth.pdf
2•andsoitis•53m ago•0 comments

Show HN: YouTube Skills for AI Agents and OpenClaw

https://github.com/ZeroPointRepo/youtube-skills
1•nikhonit•55m ago•0 comments

Do you need email replies to be visible inside your outreach tool?

1•hiesenbrg•1h ago•0 comments

Relax for the Same Result (2015)

https://sive.rs/relax
2•birdculture•1h ago•1 comments

Show HN: Imagens.app – Free AI image generator and enhancer for creators

https://imagens.app/
1•zifeng•1h ago•0 comments