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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•9mo 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!

In the Northwest, Polyamory Finds Something New: Legal Protection

https://www.nytimes.com/2026/02/28/us/pacific-northwest-polyamory-legal-protection.html
1•geox•1m ago•0 comments

Ask HN: If AI boosts productivity so much, why would a company lay anyone off?

1•ex-aws-dude•1m ago•1 comments

Jargonism: A Business English Dictionary

https://jargonism.com
1•hliyan•4m ago•0 comments

AI writing just isn't good enough – and if you're using it, everyone can tell

https://www.theglobeandmail.com/opinion/article-ai-writing-just-isnt-good-enough-and-if-youre-usi...
1•paulpauper•5m ago•0 comments

Secretary of Defense bans military from attending Ivy League Schools

https://www.foxnews.com/politics/hegseth-bans-military-attending-princeton-columbia-other-elite-u...
2•hmokiguess•5m ago•0 comments

Show HN: Mdspec.dev – open-source spec management platform for technical teams

https://mdspec.dev
1•zameermfm•6m ago•0 comments

If A.I. Is a Weapon, Who Should Control It?

https://www.nytimes.com/2026/02/28/opinion/artificial-intelligence-trump-hegseth-anthropic.html
1•paulpauper•6m ago•0 comments

What Your DNA Reveals About the Sex Life of Neanderthals

https://www.nytimes.com/2026/02/26/science/human-evolution-neanderthal-sex.html
1•paulpauper•6m ago•0 comments

Show HN: Which VCs are Tier 1?

https://vc-compare.vercel.app/
1•nezaj•8m ago•0 comments

Last Year in Container Security

https://nanovms.com/blog/last-year-in-container-security
2•valyala•8m ago•0 comments

Should AI chatbots have ads? Anthropic says no

https://arstechnica.com/ai/2026/02/should-ai-chatbots-have-ads-anthropic-says-no/
1•joozio•9m ago•0 comments

Agentic Engineering – Choosing the Right Level of Guidance

https://potocki.dev/posts/agentic-engineering-choosing-the-right-level-of-guidance/
1•tazer•10m ago•0 comments

GPL as the best licence

https://blog.hansenpartnership.com/gpl-as-the-best-licence-governance-and-philosophy/
1•lr0•10m ago•0 comments

Show HN: AIQuotaBar – See Claude/ChatGPT usage limits in your macOS menu bar

https://github.com/yagcioglutoprak/AIQuotaBar
2•toprak123•12m ago•0 comments

FreeBSD Home NAS, Part 14: Logs with VictoriaLogs and Alerts with VMAlert

https://rtfm.co.ua/en/freebsd-home-nas-part-14-logs-with-victorialogs-and-alerts-with-vmalert/
1•setevoy•12m ago•0 comments

Increase of AI bots on the Internet sparks arms race

https://www.wired.com/story/ai-bots-are-now-a-signifigant-source-of-web-traffic/
1•joozio•12m ago•0 comments

Show HN: Name-classifier – infers attributes about a person from a name

https://github.com/douglas-larocca/name-classifier
2•defgeneric•13m ago•0 comments

Fluux Messenger 0.13.2 – A Modern Cross Platform XMPP Client

https://github.com/processone/fluux-messenger/releases/tag/v0.13.2
1•neustradamus•13m ago•0 comments

Walt Disney's Relationship with Money (2014)

http://reflectionsonwalt.blogspot.com/2014/05/walts-relationship-with-money.html
1•spking•14m ago•0 comments

DeepSeek to release new AI model next week in new challenge to US rivals

https://www.ft.com/content/e3366881-0622-40a7-9c34-a0d82e3d573e
3•maxloh•15m ago•0 comments

Can the Internet Be Saved?

https://lareviewofbooks.org/article/tim-berners-lee-unfinished-story-world-wide-web/
2•wigwamnh•17m ago•0 comments

Ask HN: Is the 'natural language analytics' unsolved or just unsexy?

1•esawyer•18m ago•0 comments

Show HN: Voice-coded a Doom-scroll Hacker News (Twitter-style feed)

https://www.youtube.com/watch?v=RRF-F5jDS50
2•imprisonedmind•19m ago•0 comments

Against Query Based Compilers

https://matklad.github.io/2026/02/25/against-query-based-compilers.html
2•birdculture•23m ago•0 comments

Exostosis

https://en.wikipedia.org/wiki/Exostosis
1•treetalker•24m ago•0 comments

Flip Distance of Convex Triangulations and Tree Rotation Is NP-Complete

https://arxiv.org/abs/2602.22874
1•nill0•26m ago•0 comments

Show HN: GitShow Repo Showroom – a landing page for any GitHub repo

2•ofershap•27m ago•0 comments

Rare Roman lead ingots found by metal detectorists in Ceredigion

https://www.bbc.com/news/articles/c8xy52wndx1o
1•speckx•27m ago•0 comments

Premier League to launch direct streaming in Singapore

https://www.espn.com/soccer/story/_/id/48044798/premier-league-launch-direct-streaming-premier-le...
1•woldemariam•27m ago•0 comments

Dave's Book Review for the Art of Doing Science and Engineering

https://ratfactor.com/b/the-art-of-doing-science-and-engineering
1•zdw•27m ago•0 comments