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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!

Hubble Captures Clearest View Yet of Egg Nebula

https://www.sci.news/astronomy/hubble-egg-nebula-14546.html
1•bookofjoe•1m ago•0 comments

Can agentic coding raise the quality bar?

https://lpalmieri.com/posts/agentic-coding-raises-quality/
1•Philpax•1m ago•0 comments

Towards Fearless Macros

https://lambdaland.org/posts/2023-10-17_fearless_macros/
1•fanf2•3m ago•0 comments

China biotech licensing boom to hit record in 2026 as pipeline swells

https://www.reuters.com/sustainability/climate-energy/china-biotech-licensing-boom-hit-record-202...
1•xnhbx•4m ago•0 comments

Show HN: Woven-ECS – Multithreaded ECS framework for the web

https://woven-ecs.dev/
1•willholt•5m ago•0 comments

Show HN: MCP server that gives AI agents real interactive terminal sessions

https://github.com/amol21p/mcp-interactive-terminal
1•sleepycoder21•6m ago•0 comments

AI-powered robot vehicles team up to fight fires

https://news.griffith.edu.au/2026/02/16/ai-powered-robot-vehicles-team-up-to-fight-fires/
1•geox•7m ago•0 comments

Ask HN: If you needed to make $1000 in a week, what would be your strategy?

2•btcalex•7m ago•4 comments

Amazon scraps partnership with surveillance company after backlash

https://apnews.com/article/amazon-flock-super-bowl-surveillance-privacy-32b7d32a06d369bffe3ffdcdd...
1•1vuio0pswjnm7•7m ago•0 comments

Canadians Say They'll Buy Cheaper Chinese EVs as Tariffs Drop

https://www.bloomberg.com/news/articles/2026-02-16/canadians-say-they-ll-buy-cheaper-chinese-evs-...
2•toomuchtodo•8m ago•2 comments

Why Covid-19 is "a vascular disease masquerading as a respiratory one"

https://www.bmj.com/content/392/bmj.s31
3•caser•8m ago•0 comments

The "Epstein Files" and the anatomy of hidden social networks

https://manlius.substack.com/p/the-epstein-files-and-the-anatomy
1•Anon84•9m ago•0 comments

The OpenClaw Security Guide No One Wants to Write (But Everyone Needs)

https://medium.com/@alexrozdolskiy/the-openclaw-security-guide-no-one-wants-to-write-but-everyone...
1•todsacerdoti•10m ago•0 comments

The LLM Experience of BoreDOM

https://hugodaniel.com/posts/redesigning-boredom-for-lx/
2•hugodan•10m ago•0 comments

World of Warcraft Cinematic Trailer [video]

https://www.youtube.com/watch?v=vlVSJ0AvZe0
1•avonmach•10m ago•0 comments

I'm Signing Off from This Column After 12 Years. Here's What's Changed in Tech

https://www.wsj.com/tech/personal-tech/12-years-consumer-tech-phones-ev-ai-74107804
1•tortilla•11m ago•0 comments

Kid Rock, Joe Rogan, The R-word isn't edgy – it's cowardly

https://www.nj.com/opinion/2026/02/kid-rock-joe-rogan-elon-musk-the-r-word-isnt-edgy-its-cowardly...
1•keernan•11m ago•0 comments

Would you use this? Anti-subscription web app passion project

1•tlh_builder•12m ago•0 comments

My AI now has a license to drive

1•sebringj•12m ago•0 comments

Writing in Visual Studio Code

https://elijahpotter.dev/articles/writing-in-visual-studio-code
1•chilipepperhott•13m ago•0 comments

Graph Theory Using Modern CSS

https://css-tip.com/graph-theory/
1•robin_reala•13m ago•0 comments

Mistral Vibe

https://mistral.ai/products/vibe
1•tosh•13m ago•0 comments

Are We Becoming Architects or Butlers to LLMs?

http://muratbuffalo.blogspot.com/2026/02/butlers-or-architects.html
1•mark4•13m ago•0 comments

Show HN: A Claude meta-skill that improves all your skills, including itself

https://github.com/rebelytics/one-skill-to-rule-them-all
1•rebelytics•14m ago•1 comments

Show HN: Nexus AI – DevOps terminal bridge to Telegram (local-first, BYOK)

https://www.remote-nexus.dev
1•BSanroma•14m ago•0 comments

Show HN: Browser based audio driver for Tesla coils (no coil required)

https://teslacoil.app
1•skarard_•15m ago•1 comments

CASM – open-source external attack surface monitoring

https://github.com/G2CV/CASM
1•rokhlan•16m ago•1 comments

Project Vesta habitat where AI agents breed, evolve, and run experiments

https://github.com/zatamite/project-vesta
1•zatamite•16m ago•0 comments

Created an AI-Factory

https://blog.mappso.com/
1•grabshot_dev•17m ago•0 comments

Flock and Ring Cancel Announced Community Requests Integration

https://www.flocksafety.com/blog/an-update-on-ring-partnership
1•taubek•18m ago•0 comments