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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!

Show HN: Devin-CLI – The missing link for Agent-to-Agent orchestration

https://github.com/revanthpobala/devin-cli
1•revanth1108•2m ago•0 comments

Notepad++ hijacked by state-sponsored actors

https://notepad-plus-plus.org/news/hijacked-incident-info-update/
1•mysterydip•6m ago•0 comments

Trump plans to close Kennedy Center for two years for reconstruction work

https://www.reuters.com/world/us/kennedy-center-cease-entertainment-operations-two-years-trump-sa...
2•gehwartzen•9m ago•0 comments

Iran presidency releases names of those killed in anti-government protests

https://www.middleeastmonitor.com/20260201-iran-presidency-releases-names-of-those-killed-in-anti...
1•thisislife2•10m ago•0 comments

Show HN: Bunqueue – Job queue for Bun using SQLite instead of Redis

https://github.com/egeominotti/bunqueue
1•kernelvoid•10m ago•1 comments

Clang Hardening Cheat Sheet – Ten Years Later

https://blog.quarkslab.com/./clang-hardening-cheat-sheet-ten-years-later.html
1•PaulHoule•11m ago•0 comments

Show HN: Open-source, offline Kanban board with "swim lanes"

https://github.com/appsidekit/kanbanned
1•Intragalactic•12m ago•0 comments

Coordinating 10-agent teams with OpenClaw and shared persistent memory

https://twitter.com/pbteja1998/status/2017662163540971756
1•doanbactam•13m ago•1 comments

Show HN: Toktrack – 40x faster AI token tracker, rewritten from Node.js to Rust

https://github.com/mag123c/toktrack
1•mag123c•13m ago•0 comments

Lightweight Compression in DuckDB (2022)

https://duckdb.org/2022/10/28/lightweight-compression
1•vismit2000•16m ago•0 comments

Nanobot: Ultra-Lightweight Personal AI Assistant

https://github.com/HKUDS/nanobot
1•djhu9•17m ago•0 comments

Lodash's Security Reset and Maintenance Reboot

https://socket.dev/blog/inside-lodash-security-reset
1•todsacerdoti•18m ago•0 comments

How to Win Titular Metagames

https://taylor.town/how-to-title
2•eatitraw•21m ago•0 comments

The information concierge

https://aimilios.bearblog.dev/the-information-concierge/
1•minimalthinker•27m ago•0 comments

Emerging evidence on treating cluster headaches with DMT

https://forum.effectivealtruism.org/posts/x8P8EGnujSZm6fyMH/emerging-evidence-on-treating-cluster...
1•eatitraw•29m ago•0 comments

Shape-adaptive circuits based on liquid metal printed on thermoplastic films

https://www.nature.com/articles/s41928-025-01528-6
1•westurner•36m ago•1 comments

Show HN: Nod – Pre-code compliance validation for agentic coding workflows

https://github.com/mraml/nod
1•mraml•41m ago•0 comments

Show HN: Twitch Plays Pokémon" for Claude Code

https://claudecrowd.clodhost.com
4•zhoujianfu•42m ago•2 comments

IntentBound: Purpose-aware authorization for autonomous AI agents

1•Grokipaedia•46m ago•0 comments

The Worst of the Epstein Files – Our Corrupt Elites

https://www.youtube.com/watch?v=YPWIsfiNxPE
8•doener•48m ago•0 comments

Suggestion for a tool exceptionally needed for an excellent program

1•heyitsmoot•48m ago•0 comments

Motorola is getting away with zero OS updates thanks to regulatory loophole

https://www.androidauthority.com/motorola-eu-software-updates-loophole-3636627/
2•voxadam•51m ago•0 comments

Actors: A Model of Concurrent Computation [pdf]

https://apps.dtic.mil/sti/tr/pdf/ADA157917.pdf
5•kioku•55m ago•0 comments

Show HN: Democlean – Score robot demos by motion quality

https://github.com/dipampaul17/democlean
1•dipampaul17•55m ago•0 comments

Yann LeCun, an A.I. Pioneer, Warns the Tech 'Herd' Could Hit a Dead End

https://www.nytimes.com/2026/01/26/technology/an-ai-pioneer-warns-the-tech-herd-is-marching-into-...
6•gmays•56m ago•1 comments

Toronto man fakes pilot badge to score free flights, officials say

https://www.bbc.com/news/articles/c5y223170vdo
1•rguiscard•57m ago•0 comments

Tailwind creator Adam Wathan shares new project ui.sh

https://ui.sh/
1•cole_•1h ago•1 comments

Project Panama – Anthropic's plan to scan and dispose of millions of books

https://www.msn.com/en-us/news/technology/inside-one-company-s-secret-plan-to-destructively-scan-...
7•embedding-shape•1h ago•2 comments

X8.11 Solar Flare from AR4366

https://www.spaceweatherlive.com/en/solar-activity/solar-flares.html
2•ruined•1h ago•0 comments

Moltbook: the social network where AI agents talk to each other

https://www.ft.com/content/078fe849-cc4f-43be-ab40-8bdd30c1187d
3•cs702•1h ago•1 comments