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Uv is the best thing to happen to the Python ecosystem in a decade

https://emily.space/posts/251023-uv
1261•todsacerdoti•8h ago•718 comments

IRCd service (2024)

https://example.fi/blog/ircd.html
29•pabs3•1h ago•3 comments

Tell HN: Azure outage

676•tartieret•11h ago•639 comments

China has added forest the size of Texas since 1990

https://e360.yale.edu/digest/china-new-forest-report
401•Brajeshwar•1d ago•275 comments

Minecraft removing obfuscation in Java Edition

https://www.minecraft.net/en-us/article/removing-obfuscation-in-java-edition
596•SteveHawk27•11h ago•209 comments

Raspberry Pi Pico Bit-Bangs 100 Mbit/S Ethernet

https://www.elektormagazine.com/news/rp2350-bit-bangs-100-mbit-ethernet
78•chaosprint•4h ago•19 comments

OS/2 Warp, PowerPC Edition (2011)

https://www.os2museum.com/wp/os2-history/os2-warp-powerpc-edition/
38•TMWNN•3h ago•15 comments

Dithering – Part 1

https://visualrambling.space/dithering-part-1/
234•Bogdanp•9h ago•51 comments

AOL to be sold to Bending Spoons for $1.5B

https://www.axios.com/2025/10/29/aol-bending-spoons-deal
201•jmsflknr•11h ago•178 comments

Kafka is Fast – I'll use Postgres

https://topicpartition.io/blog/postgres-pubsub-queue-benchmarks
316•enether•13h ago•250 comments

How the U.S. National Science Foundation Enabled Software-Defined Networking

https://cacm.acm.org/federal-funding-of-academic-research/how-the-u-s-national-science-foundation...
64•zdw•6h ago•16 comments

Tailscale Peer Relays

https://tailscale.com/blog/peer-relays-beta
267•seemaze•11h ago•75 comments

Responses from LLMs are not facts

https://stopcitingai.com/
161•xd1936•6h ago•108 comments

OpenAI’s promise to stay in California helped clear the path for its IPO

https://www.wsj.com/tech/ai/openais-promise-to-stay-in-california-helped-clear-the-path-for-its-i...
160•badprobe•10h ago•213 comments

Board: New game console recognizes physical pieces, with an open SDK

https://board.fun/
155•nicoles•23h ago•64 comments

The Internet runs on free and open source software and so does the DNS

https://www.icann.org/en/blogs/details/the-internet-runs-on-free-and-open-source-softwareand-so-d...
116•ChrisArchitect•9h ago•8 comments

Hello-World iOS App in Assembly

https://gist.github.com/nicolas17/966a03ce49f949dd17b0123415ef2e31
10•pabs3•1h ago•3 comments

A century of reforestation helped keep the eastern US cool (2024)

https://news.agu.org/press-release/a-century-of-reforestation-helped-keep-the-eastern-us-cool/
94•softwaredoug•4h ago•12 comments

GLP-1 therapeutics: Their emerging role in alcohol and substance use disorders

https://academic.oup.com/jes/article/9/11/bvaf141/8277723?login=false
163•PaulHoule•2d ago•71 comments

Crunchyroll is destroying its subtitles

https://daiz.moe/crunchyroll-is-destroying-its-subtitles-for-no-good-reason/
190•Daiz•4h ago•66 comments

Keep Android Open

http://keepandroidopen.org/
2350•LorenDB•23h ago•750 comments

How Ancient People Saw Themselves

https://worldhistory.substack.com/p/how-ancient-people-saw-themselves
5•crescit_eundo•3d ago•0 comments

How to Obsessively Tune WezTerm

https://rashil2000.me/blogs/tune-wezterm
80•todsacerdoti•8h ago•48 comments

More than DNS: Learnings from the 14 hour AWS outage

https://thundergolfer.com/blog/aws-us-east-1-outage-oct20
83•birdculture•2d ago•26 comments

Using Atomic State to Improve React Performance in Deeply Nested Component Trees

https://runharbor.com/blog/2025-10-26-improving-deeply-nested-react-render-performance-with-jotai...
7•18nleung•3d ago•1 comments

Composer: Building a fast frontier model with RL

https://cursor.com/blog/composer
180•leerob•11h ago•136 comments

Meta and TikTok are obstructing researchers' access to data, EU commission rules

https://www.science.org/content/article/meta-and-tiktok-are-obstructing-researchers-access-data-e...
151•anigbrowl•4h ago•69 comments

Upwave (YC S12) is hiring software engineers

https://www.upwave.com/job/8228849002/
1•ckelly•10h ago

Extropic is building thermodynamic computing hardware

https://extropic.ai/
101•vyrotek•9h ago•73 comments

Eye prosthesis is the first to restore sight lost to macular degeneration

https://med.stanford.edu/news/all-news/2025/10/eye-prosthesis.html
192•gmays•1w ago•15 comments
Open in hackernews

Show HN: HUD-like live annotation and sketching app for macOS

https://draw.wrobele.com/
51•tomaszsobota•13h ago
Hey all!

I'm happy to announce we've finally released our 2nd macOS app, Draw Over It, a tiny desktop app that enables drawing, highlighting, or annotating directly on top of anything on your Mac.

I've always wanted something like this for instant and unobtrusive sketching and annotation for pair programming and demos. I always found the standard web-based diagram and drawing tools a bit too cumbersome. So we built a simple overlay that could appear over any window or app with one shortcut.

It doesn't collect any user data and doesn't require any system permissions - it's sandboxed. It all stays on your device. You can export your annotations to a PNG with one click - or just take a screenshot if you need the background too.

It offers a slim but functional toolkit for every day tasks:

- Global hotkeys, hit a shortcut and start drawing over any app

- Multiple tools, pens, shapes, highlighters

- Per-screen canvases, each monitor gets its own space

- Focus mode, temporarily blur the background to emphasize what matters

- Low footprint, no subscriptions, no sign-ups, no data collected

- Localization, the app is translated to 14 languages

These two reasons make it different from other canvas apps, it's simple, lean and keeps your data on-device only.

It’s a one-time purchase ($2.99) on the Mac App Store.

I’d love feedback and suggestions for improvements!

Comments

TuringNYC•11h ago
i'd love this for the iPad, i'd buy it right away but didnt see it for the iPad -- mostly because writing with a mouse is very difficult, but pens are easy
tomaszsobota•11h ago
And I'd love to make it for iPads too, just struggling to find the optimal UX for enabling and disabling the overlay.

On macOS you can just use the global hotkey or the app menu, on iPad I'd have to wire it up somehow else - supper happy to get ideas on what would feel seamless and unobtrusive for you. I'll definitely implement it then!

lasergyro•11h ago
What about a control center toggle? Works alright for toggling the windowing system. In general having shortcuts to set it on/off/toggle would be great.
tomaszsobota•11h ago
This might work! I'll implement this and see how it feels, thanks.
huydotnet•9h ago
You can connect your iPad to mac via the charger cable and use it as an external monitor. Apple Pencil works too.
alsetmusic•11h ago
The letters keep drawing after the mouse pointer stops moving. Is there such thing as an autocompleting typeface that recognizes handwriting from a Wacom tablet or something to explain this? If not, this demo doesn't seem authentic and that doesn't inspire confidence.
tomaszsobota•10h ago
Hey, thanks for the feedback, the cursor movement is smoothed out in the screen recording tool.

I tried to strike a balance, original videos felt a bit too distracting with unfiltered cursor movements.

alsetmusic•10h ago
I think you should indicate this above or below the demo in a smallish typeface. Your explanation makes sense, but the presentation comes off as sketchy without that info. Maybe it's just me. Thanks for responding.
tomaszsobota•10h ago
That is a great idea! I'll add that, thank you :)
raju•10h ago
I've been a VERY happy customer (no affiliation whatsoever) of Presentify for many years now, which was also a "Show HN" post (yeesh) 5 years ago

https://news.ycombinator.com/item?id=22938604

I am very excited to try Draw Over It—thank you for sharing. I speak at several conferences a year, and also do online workshops and training, and Presentify has been a godsend.

However, the one limitation is if you toggle it, you lose your annotations. And you can't do anything with the underlying app—can't scroll or click buttons. Looking forward to trying this out.

tentacle256•10h ago
Thank you for your kind words! Indeed, I wanted the sketch to remain on-screen after disabling it too - in Draw Over It you can toggle whether you want it to remain on-screen or not :)
K3UL•10h ago
Is there any plan for a Windows version ? This is so useful
tomaszsobota•8h ago
Thank you! Yes, a Windows release is coming! Perhaps not for at least a month but it's definitely on my roadmap :)
alyxya•10h ago
I really like the homepage. It’s clear what the product does just after a few seconds and looks nice and smooth :)

I’m curious if the annotation handles things like scrolling within a webpage. That would be a really cool feature if annotations automatically moved with the scroll.

tomaszsobota•8h ago
Thank you for the feedback! At the moment it's not scroll-aware, but it's an excellent idea, thank you.

I won't be able to make it app-aware, given the very rigid security posture (complete sandbox), but I may be able to make it scroll-aware, so at least within the same window it'd move relative to the 'global' position. I'll look into it :)

neilellis•9h ago
Great, perfect, bought it.
tomaszsobota•7h ago
Thank you! I'd love to know about your experience using it. If you have any questions, comments, feature ideas, feel free to reach out via the support email :)