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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•7mo 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: Lazy-image – Node.js image library with static binaries (Rust/NAPI)

https://github.com/albert-einshutoin/lazy-image
1•einshutoin•16s ago•0 comments

Undisciplined? Entitled? Lazy? Gen Z faces familiar flood of workplace criticism

https://www.theguardian.com/money/ng-interactive/2025/nov/17/gen-z-workplace-criticism
1•abdelhousni•4m ago•0 comments

Show HN: DT Gatekeeper – a GPT that maps decision closures before they lock in

https://chatgpt.com/g/g-69538d028b148191850423a69f88bd63-dt-gatekeeper
1•Yusufshunan•11m ago•0 comments

Show HN: Reko – Local-First YouTube-to-Markdown LLM Summarizer

https://github.com/riccardoruspoli/reko
1•riccardoruspoli•11m ago•0 comments

Looking for Feedback: Tips to Improve My Website's Design and User Experience

https://idealremit.com
1•bk-mira•11m ago•1 comments

Sora 2 AI – Browser-based text-to-video and image-to-video tool

https://soora2.ai
1•AnyVideoAI•13m ago•0 comments

Nepal to scrap 'failed' Mount Everest waste deposit scheme

https://www.bbc.com/news/articles/cx2g20prlg7o
1•Brajeshwar•15m ago•0 comments

Americans in 1998 tried to predict 2025

https://www.cnn.com/2025/12/29/politics/americans-predictions-1998-2025
2•mdurana•19m ago•1 comments

Why Indian cinema is awash with AI

https://www.bbc.com/future/article/20251223-why-indian-cinema-is-awash-with-ai
1•vinni2•20m ago•1 comments

A curated directory of open-source AI projects

1•doanbactam•25m ago•0 comments

How do you keep track of MCPs, AI tools, and coding workflows?

1•aistackdev•32m ago•0 comments

Numerology SaaS for brand name ideas

https://preview--number-brand-alchemy.lovable.app/
1•alambaksse•33m ago•1 comments

Kosovo's Digital Representation Affects E-Commerce and Education

https://aab-edu.net/
2•samirdalipi•33m ago•1 comments

Show HN: Smart Meme Search – search for your meme collection using CLIP and OCR

https://apps.microsoft.com/detail/9ncw20lxw64j?hl=en-US&gl=US
1•mdimec4•34m ago•0 comments

Language and Symbolic Power by Pierre Bourdieu [pdf]

https://monoskop.org/images/4/43/Bourdieu_Pierre_Language_and_Symbolic_Power_1991.pdf
1•foster_nyman•35m ago•0 comments

Octopus Energy to sell stake in software spin-off Kraken at $8.65B valuation

https://www.theguardian.com/business/2025/dec/30/octopus-energy-sell-stake-kraken-valuation-fodel...
1•zeristor•36m ago•0 comments

Management: Tasks, Responsibilities, Practices by Peter F. Drucker [pdf]

https://ia801407.us.archive.org/1/items/in.ernet.dli.2015.137046/2015.137046.Management-Tasks-Res...
1•foster_nyman•39m ago•0 comments

Show HN: Wirey – GUI socket client for TCP/UDP testing

https://github.com/yunjywork/wirey
1•yunjywork•39m ago•1 comments

Pedagogy of Freedom: Ethics, Democracy, and Civic Courage [pdf]

https://abahlali.org/wp-content/uploads/2012/08/Paulo-Freire-Pedagogy-of-Freedom-Ethics-Democracy...
1•foster_nyman•42m ago•0 comments

You Need to Ditch VS Code

https://jrswab.com/blog/ditch-vs-code
2•kugurerdem•48m ago•0 comments

Why does analytics usually stop right before action?

3•Navaneeth_22•49m ago•0 comments

Bill would formally adopt spelling of 'CHamoru'

https://www.guampdn.com/news/bill-would-formally-adopt-spelling-of-chamoru/article_abd9b7c4-35a7-...
1•sipofwater•49m ago•1 comments

Go Away Python

https://lorentz.app/blog-item.html?id=go-shebang
2•baalimago•51m ago•0 comments

LETTER: The politics of evil

https://www.guampdn.com/opinion/letters/letter-the-politics-of-evil/article_dae5a91b-c835-4a4a-ac...
1•sipofwater•51m ago•1 comments

I built MCP Guard because giving AI agents direct database access terrified me

1•pritahir•51m ago•0 comments

I built MCP Guard because giving AI agents direct database access terrified me

1•pritahir•52m ago•0 comments

Daily Mosnodenvir as Dengue Prophylaxis in a Controlled Human Infection Model

https://www.nejm.org/doi/full/10.1056/NEJMoa2500179
1•thunderbong•54m ago•0 comments

Why Making Software Easier to Write Means We'll Write Exponentially More

https://addyosmani.com/blog/the-efficiency-paradox/
1•ingve•55m ago•0 comments

Users decide which online platforms to trust in 2025

1•taka-dev•55m ago•1 comments

Private and Professional Personal Finance Application

https://www.sayvsuite.com
1•gh0stwalk•56m ago•0 comments