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Show HN: I built a tool to make system design diagrams less painful

https://www.rapidcharts.ai/
4•SamiCostox•8h ago
Hey HN,

I’ve been working on a side project called RapidChart for the past few months, a tool for generating technical/system design diagrams more easily.

How RapidChart works:

- It’s completely free - It uses a cursor-like interface for diagram generation - It’s 100% customizable - You can iterate with AI and choose your favorite LLM models (GPT-4, Claude, etc.)

This started as part of my research project at Imperial College London, and I’d love some honest feedback.

If you think it’s terrible, please tell me why. If it’s useful or interesting, I’d love to hear that too!

https://www.rapidcharts.ai/

Thanks!

DeepMind AI staff tied to "aggressive" noncompete – Offering year-long PTO

https://www.windowscentral.com/software-apps/work-productivity/deepmind-noncompete-clause-rival-labs
1•Bluestein•34s ago•0 comments

Billionaires Convince Themselves Chatbots Close to Making Scientific Discoveries

https://gizmodo.com/billionaires-convince-themselves-ai-is-close-to-making-new-scientific-discoveries-2000629060
3•maartenscholl•9m ago•1 comments

I Tried Grok's Built-In Anime Companion and It Called Me a Twat

https://www.wired.com/story/elon-musk-xai-ai-companion-ani/
2•coloneltcb•11m ago•0 comments

Mistral Releases Voxtral: Open Source Speech Understanding Models (3B and 24B)

https://huggingface.co/mistralai
2•yanng404•18m ago•0 comments

Behind the Streams: Three Years of Live at Netflix

https://netflixtechblog.com/behind-the-streams-live-at-netflix-part-1-d23f917c2f40?source=social.linkedin&_nonce=QaDyAeai
1•mfiguiere•23m ago•0 comments

Gauging Light Pollution: The Bortle Dark-Sky Scale

https://skyandtelescope.org/astronomy-resources/light-pollution-and-astronomy-the-bortle-dark-sky-scale/
1•dskhatri•26m ago•0 comments

Implantable device could save diabetes patients from dangerously low blood sugar

https://medicalxpress.com/news/2025-07-implantable-device-diabetes-patients-dangerously.html
1•PaulHoule•28m ago•0 comments

Americans' new tax rates depend on who they are and what they do

https://news.bloomberglaw.com/daily-tax-report/americans-new-tax-rates-depend-on-who-they-are-and-what-they-do
1•hhs•30m ago•0 comments

Ask HN: Relevant Java programming language in this new world of AI

1•rammy1234•30m ago•0 comments

I'm a Genocide Scholar. I Know It When I See It

https://www.nytimes.com/2025/07/15/opinion/israel-gaza-holocaust-genocide-palestinians.html
7•lyu07282•31m ago•4 comments

Nuxt v4

https://nuxt.com/blog/v4
1•2sf5•33m ago•0 comments

Ask HN: What is the best way to learn 3D modeling for 3D printing?

1•wand3r•34m ago•0 comments

Huawei's star AI model was built on burnout and plagiarism

https://the-open-source-ward.ghost.io/the-pangu-illusion-how-huaweis-star-ai-model-was-built-on-burnout-betrayal-and-open-source-theft/
18•avervaet•34m ago•8 comments

Steve Albini interview by Billy Hell (2005)

https://www.furious.com/perfect/shellac.html
1•rufus_foreman•34m ago•0 comments

Android Rewind

https://androidrewind.com/
1•GlitchRider47•40m ago•0 comments

Horus: A Protocol for Trustless Delegation Under Uncertainty

https://arxiv.org/abs/2507.00631
1•david_shi•45m ago•0 comments

Show HN: Vezeto – Android app for travelers powered by AI

1•dujma•45m ago•0 comments

US court gives Argentina three more days to surrender its YPF shares

https://english.elpais.com/economy-and-business/2025-07-15/us-court-gives-argentina-three-more-days-to-surrender-its-ypf-shares.html
2•geox•46m ago•0 comments

Yield curve for engineers has inverted

https://mvcalder-01701.medium.com/the-inverted-yield-curve-48d48959ba6a
3•mvcalder•50m ago•1 comments

Mathematician has solved the Kakeya conjecture

https://english.elpais.com/science-tech/2025-07-14/what-is-the-smallest-space-in-which-a-needle-can-be-rotated-to-point-in-the-opposite-direction-this-mathematician-has-finally-solved-the-kakeya-conjecture.html
2•belter•52m ago•0 comments

AI Isn't Responsible for Slop. We Are Doing It to Ourselves

https://www.techpolicy.press/ai-isnt-responsible-for-slop-we-are-doing-it-to-ourselves/
1•jomaric•54m ago•1 comments

Reversing Google's New VM-Based Integrity Protection: PairIP

https://blog.byterialab.com/reversing-googles-new-vm-based-integrity-protection-pairip/
1•zb3•57m ago•0 comments

Making an ASCII Animation

https://pierce.dev/notes/making-the-ghostty-animation/
1•icyfox•58m ago•0 comments

Show HN: TogetherMoon – Share the night sky with someone miles away

https://togethermoon.com/?go=2RG6Q
1•punyname•58m ago•0 comments

Do Indoor Pools Need to Close for Lightning?

https://undark.org/2025/07/15/indoor-pools-lightning/
1•EA-3167•58m ago•1 comments

Do You Need a License for an Underwater Drone?

https://www.slashgear.com/1911168/underwater-drone-license-necessity-explained/
1•Bluestein•1h ago•0 comments

Show HN: I built a tool to sync localStorage between devices

https://htmlsync.io
3•meistertigran•1h ago•4 comments

Death Isn't the Final Off Switch. There's a 'Third State' Tween Life and Decay

https://www.popularmechanics.com/science/a65400717/third-state-life-after-death/
2•Bluestein•1h ago•0 comments

Rubber That Resists Cracking

https://seas.harvard.edu/news/2025/05/rubber-resists-cracking
2•dieselerator•1h ago•0 comments

Cancer rates are rising for generation X and millennials

https://www.abc.net.au/news/2025-07-08/cancer-early-onset-genx-millennials-screening-prevention/105495892
1•breve•1h ago•0 comments