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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•10mo 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!

AegisFlow – Open-source AI gateway with policy engine, built in Go

https://github.com/saivedant169/AegisFlow
1•saivedant1011•2m ago•0 comments

6 Active AI Training Projects on Alignerr Right Now [March 2026]

https://aitrainer.work/guides/alignerr-active-projects-march-2026
2•celadondev•6m ago•0 comments

From Zip to Nought: The Rise and Fall of Iomega

https://hackaday.com/2026/03/24/from-zip-to-nought-the-rise-and-fall-of-iomega/
1•lxm•10m ago•0 comments

Ask HN: What shell/terminal setup would you recommend to beginners today?

1•GeekUses9527•11m ago•0 comments

My Stay at the Biltmore Mayfair

https://substack.com/profile/484399211-lolipop/note/c-232884584
1•Btmviolet123•12m ago•0 comments

Url to Video – Transform Product URLs into High-Converting AI Video Ads

https://urltovideo.ai
2•Lisheng•15m ago•0 comments

Primary School Children Face Having to Work Until They Are 75

https://www.thetimes.com/money/pensions/article/primary-school-children-work-until-75-retirement-...
3•karakoram•18m ago•1 comments

Fantastic Anime Edit

https://www.youtube.com/watch?v=mEyrsy6PWgo
1•nivethan•19m ago•0 comments

Show HN: I built a team of AI executives to build my startup – I fired one

https://www.agentmadness.ai/entries/mise-inc
1•jonflaig13•24m ago•0 comments

Why Microsoft and OpenAI are at odds

https://finshots.in/archive/why-microsoft-and-openai-are-at-odds/
1•vismit2000•27m ago•0 comments

Nginx ingress controller has been archived

https://github.com/kubernetes/ingress-NGINX
1•Doublon•28m ago•0 comments

New Mexico just handed Meta its first courtroom defeat over child safety

https://techcrunch.com/2026/03/24/new-mexico-just-handed-meta-its-first-courtroom-defeat-over-chi...
1•pseudolus•29m ago•1 comments

Why Speech Has Never Become Context

https://zhenthinks.substack.com/p/why-speech-has-never-become-context
1•zhenthinks•32m ago•0 comments

The Ocean of Numbers: How India Shaped the Way We Calculate [video]

https://www.youtube.com/watch?v=sa2kN-li984
1•vismit2000•32m ago•0 comments

Data Transformation in the Browser

https://www.smartquerytools.com/
1•dango2506•34m ago•0 comments

StationeryObject

https://stationeryobject.com/archive/
1•NaOH•34m ago•0 comments

Levine Links: Money Stuff but enhanced with O paywalls

https://levine.yet-to-be.com/
1•wyxuan•34m ago•1 comments

LiteLLM got supply-chain attacked: 97M downloads/month, credential stealer

https://hexaclaw.com/blog/litellm-supply-chain-attack
1•hexaclawdevs•37m ago•1 comments

OpenAI killed Sora. Here are 11 video APIs that still work, with pricing

https://hexaclaw.com/blog/sora-is-dead-video-alternatives
1•hexaclawdevs•38m ago•0 comments

DOSS $55M Series B

https://www.doss.com/news/doss-raises-55m-series-b
1•doppp•41m ago•0 comments

So far AI has mostly proven the inherent worth of menial laborers

https://www.theverge.com/ai-artificial-intelligence/899086/jensen-huang-nvidia-agi
4•wrqvrwvq•41m ago•2 comments

Pidgin HTML Markup for Writing, or How Much Can HTML Sustain?

https://aartaka.me/pidgin.html
1•pabs3•43m ago•0 comments

Singapore's Sound Card Hero [video]

https://www.youtube.com/watch?v=VTPa6wRECw0
1•arbayi•44m ago•0 comments

Show HN: JaaS platform: AI panhandler charges $1 minimum per joke

https://doyouhaveadollar.com
1•flarite•45m ago•0 comments

What we learned after 6 months of building an AI podcast app nobody used

https://ansenhuang.substack.com/p/instapodz-from-ai-podcast-platform
2•AnsenHuang•48m ago•0 comments

Intel's Binary Optimization Tool may be cheating on Geekbench 6

https://www.geekbench.com/blog/2026/03/geekbench-6-and-intels-binary-optimization-tool/
1•wmf•50m ago•0 comments

Show HN: Give your agents the ability to operate interactive TUI apps

https://github.com/flipbit03/terminal-use
2•fb03•50m ago•0 comments

NeurIPS bans submissions from US-sanctioned institutions

https://neurips.cc/Conferences/2026/MainTrackHandbook
2•xucheng•56m ago•1 comments

DigitalOcean Announces Proposed Public Offering of Common Stock

https://investors.digitalocean.com/news/news-details/2026/DigitalOcean-Announces-Proposed-Public-...
3•SergeAx•56m ago•1 comments

Building superconducting and neutral atom quantum computers

https://blog.google/innovation-and-ai/technology/research/neutral-atom-quantum-computers/
2•qnleigh•59m ago•0 comments