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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•1y 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: Organ – Autonomous AI executives that build and operate businesses

https://organ.app/start
1•morbido•24s ago•0 comments

Do you see departments at your company building small apps?

1•patricknegri•5m ago•0 comments

Valve Steam Frame CAD and Electrical Reference

https://gitlab.steamos.cloud/SteamHardware/SteamFrame
1•HelloUsername•7m ago•0 comments

The Moon Mission That's a High-Tech Cave Hunt

https://www.universetoday.com/articles/nasa-selects-gimli-to-search-the-marius-lunar-pit-for-a-po...
1•rbanffy•9m ago•0 comments

AMD EPYC 8005 SKU List and Value Analysis: Mainstream Sorano's Big Stride

https://www.servethehome.com/amd-epyc-8005-sku-list-and-value-analysis-mainstream-soranos-big-str...
2•rbanffy•9m ago•0 comments

(Linus Torvalds) I did what I preach: use LLMs to help make sense of the code

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tag/?h=assoc-array-fixes
4•theanonymousone•10m ago•0 comments

How to Prepare Your Agentic AI System for an EU AI Act Audit with ZizkaDB

https://medium.com/@MirArshadTalpur/how-to-prepare-your-agentic-ai-system-for-an-eu-ai-act-audit-...
1•Arshad-Talpur•11m ago•0 comments

Problems in 22 science fields had solutions hiding in plain sight. AI found them

https://www.science.org/content/article/problems-22-scientific-fields-had-solutions-hiding-plain-...
1•theanonymousone•12m ago•0 comments

RISC-V Bulk Normalization Algorithm

https://fprox.substack.com/p/risc-v-bulk-normalization-algorithm
1•hasheddan•13m ago•0 comments

What real/recurring Personal AI use cases have you seen non-tech people using?

https://discourse.cosign.co/story/what-real-recurring-personal-ai-use-cases-have-you-seen-non-tec...
1•sdrth•16m ago•0 comments

Segor Electronics to close after 48 years [German]

https://www.segor.de/
2•cowlevel•26m ago•1 comments

Coding lessons taught by Boston University students

https://docs.google.com/forms/d/e/1FAIpQLScVOirAamJUMKbtoxD76CMzytoKhCKjkiNnxDymvelrh9GCmA/viewform
1•birdculture•27m ago•0 comments

Earn My Keep: an AI with a month to prove its worth

https://earnmykeep.rendilab.com/
2•cs1996•28m ago•1 comments

Russia behind Britain's Brexit vote, UK prime minister admits for first time

https://kyivindependent.com/russia-behind-britains-brexit-vote-uk-prime-minister-admits-for-first...
5•vrganj•28m ago•0 comments

TypeScript Compiler ported to Haxe(node, cpp, JVM, C# & Python)

https://github.com/dazKind/tsc-haxe
1•dazKind•29m ago•0 comments

QGIS bans AI assisted contributions

https://github.com/qgis/QGIS-Enhancement-Proposals/pull/387
47•bwnkl•29m ago•34 comments

D-Bus Hell

https://dbushell.com/2026/10/11/d-bus-hell/
2•signa11•31m ago•1 comments

Show HN: Tote – Homebrew Without the Beer

https://github.com/tote-dev/tote
1•AbuAssar•33m ago•0 comments

Gearslip – Android Auto replacement without Google

https://github.com/Seb3thehacker/gearslip
2•71bw•34m ago•1 comments

Britain's Burnout Crisis Grows as 55% of Professionals Say They Feel Burnt Out

https://www.ibtimes.co.uk/uk-professionals-workplace-burnout-understaffing-research-1824460
1•robtherobber•34m ago•0 comments

The Pitchforks Are Coming for Us Plutocrats (2014)

https://www.politico.com/magazine/story/2014/06/the-pitchforks-are-coming-for-us-plutocrats-108014/
1•chinathrow•34m ago•0 comments

Git Tips and Git Commit Best Practices

https://gist.github.com/luismts/495d982e8c5b1a0ced4a57cf3d93cf60
1•liberian•35m ago•0 comments

The Vikings who reached the Americas 500 years before Columbus

https://www.bbc.com/culture/article/20261009-how-vikings-beat-columbus-to-america-by-500-years
2•geox•37m ago•0 comments

My All Souls Exam Experience

https://www.reddit.com/r/oxforduni/comments/q0giir/my_all_souls_exam_experience/
1•Anon84•39m ago•0 comments

Intelligence Is Not Sentience

https://aditya.rs/blog/2026/10/12/on-intelligence-and-sentience/
2•aditya_rs•39m ago•1 comments

China's Race Towards 'Infinite' Energy [video]

https://www.youtube.com/watch?v=qcGtWW8uERI
1•thelastgallon•40m ago•0 comments

What's on That Access Port?

https://danielmangum.com/posts/whats-on-that-access-port/
1•hasheddan•40m ago•0 comments

Show HN: I built Airlock, to sandbox your AI agent and know what it's doing

https://airlock.sorrel.systems
2•simonmaddox•42m ago•1 comments

Should You Put Your Books in the Freezer?

https://www.nytimes.com/2026/10/10/books/book-preservation-silverfish.html
1•mitchbob•42m ago•1 comments

Show HN: HTTP server for tool-less front end development

https://github.com/alshdavid/http-server-rs
1•apatheticonion•43m ago•0 comments