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Show HN: Markdown Arena – Compare Markdown Editors Side by Side

https://markdownarena.com/
1•Wdorf•58m ago
I was recently looking for a Markdown editor for one of my projects. It was important to me that any editor can load / export Markdown, so that I can change the editor later without having to change any data in the database.

I found it difficult to keep track of all the parameters (math support, is the editor under active development etc.).

Hence I made this website to quickly compare editors. You can demo all editors directly on the website and star the ones you prefer.

Please let me know any additional features / missing editors / other feedback and I will try to improve it.

Show HN: I made Buggy.run an AI-powered security scanner for web apps

https://buggy.run/
1•rosennn•34s ago•0 comments

Reversible Computing

https://en.wikipedia.org/wiki/Reversible_computing
1•tristenharr•2m ago•0 comments

Show HN: Interactive Short Story Collection

https://jordanjordanjordan.com/
1•jordan9001•2m ago•0 comments

WhatsApp Business for iOS Crashes After 16 Seconds When Companion Is Connected

https://granot.io/whatsapp-business-for-ios-sucks/
1•tomgs•3m ago•0 comments

Show HN: DoodleMeme – Animate Hand Drawings Without Generative AI

https://doodlemate.com/meme
1•hjessmith•4m ago•0 comments

After defying Pope Leo and causing schism, SSPX defends its actions

https://www.ncronline.org/vatican/after-defying-pope-leo-and-causing-schism-sspx-defends-its-actions
1•firasd•4m ago•0 comments

Classical computing, quantum computing, and Shor's factoring algorithm (1999)

https://www.alphaxiv.org/abs/quant-ph/9903008
1•measurablefunc•5m ago•0 comments

Show HN: Reins – let coding agents drive your real, logged-in browser

https://reins.karnstack.com
1•karngyan•6m ago•0 comments

Landauer's Principle

https://en.wikipedia.org/wiki/Landauer%27s_principle
1•tristenharr•7m ago•0 comments

Phonebloks: A global campaign to bring to life a modular phone to reduce e-waste

https://www.onearmy.earth/project/phonebloks
1•Jomal_HN•9m ago•0 comments

I Bought a Sony Walkman

https://82mhz.net/posts/2026/07/i-bought-a-sony-walkman/
1•edward•9m ago•0 comments

If an AI can do no harm, then it can do no good

https://higashi.blog/2026/06/26/safety/
1•yuedongze•11m ago•0 comments

Buzzword Driven Development: Stop Talking About the CAP theorem

https://nextpath.substack.com/p/stop-talking-about-the-cap-theorem
3•code_pig•13m ago•0 comments

Keet – Encrypted peer to peer messaging

https://keet.io/
2•rickcarlino•13m ago•0 comments

Why we built yet another Postgres connection pooler

https://pgdog.dev/blog/why-yet-another-connection-pooler
1•levkk•15m ago•0 comments

Probes.dev Is Released

https://limeleaf.coop/blog/probes-is-released/
1•blainsmith•15m ago•0 comments

Together for a Healthier Clippy

https://blog.rust-lang.org/inside-rust/2026/07/06/unite-for-clippy/
1•birdculture•15m ago•0 comments

Rootless Docker and Its Hidden Security Trade-Offs

https://www.kenmuse.com/blog/rootless-docker-and-its-hidden-security-trade-offs/
1•speckx•17m ago•0 comments

A freelancer marketplace for international projects

https://freelancer.svoxx.com/int/en
1•kilincarslan•17m ago•0 comments

Software Bonkers

https://craigmod.com/essays/software_bonkers/
1•razin•18m ago•0 comments

Microsoft Fire IdTech Team at Id Software

https://gamefromscratch.com/microsoft-fire-idtech-team-at-id-software/
29•bauc•18m ago•2 comments

Show HN: Atrophy – measure whether AI is eroding your unaided coding skill

https://github.com/ashutosh-rath02/atrophy
2•ashurath•19m ago•1 comments

Midtown Manhattan blocks evacuated after beams buckling at construction site

https://abcnews.com/US/midtown-manhattan-blocks-evacuated-after-beams-found-buckling/story?id=134...
2•danso•19m ago•0 comments

The mask that compiles to nothing:how HotSpot's JIT learned to reason about bits

https://questdb.com/blog/jvm-jit-known-bits/
1•thunderbong•20m ago•0 comments

No LLM Involved: What If Your Arrays Could Schedule Themselves?

https://ilnumerics.net/ilnumerics-accelerator-compiler.html
1•hokb•21m ago•0 comments

Show HN: Action-locker: pin, verify, and vendor GHAs

https://github.com/steph-owl/action-locker
2•sudosteph•21m ago•1 comments

When Albert Einstein and Charlie Chaplin Met and Became Fast Famous Friends (1930)

https://www.openculture.com/2026/07/when-albert-einstein-charlie-chaplin-met.html
1•bookofjoe•21m ago•0 comments

Fat Toads Farm Pantry

https://ediblebozeman.com/features/fat-toads-farm-pantry/
1•mooreds•22m ago•0 comments

Show HN: SOCBench – an open benchmark for AI on SoC tasks

https://github.com/DeepTempo/socbench
2•krmayankb•26m ago•0 comments

How Nashville Became Home to a Full-Scale Replica of the Parthenon

https://www.openculture.com/2026/07/how-nashville-became-home-to-a-full-scale-replica-of-the-part...
2•Brajeshwar•26m ago•0 comments