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DoNotNotify is now Open Source

https://donotnotify.com/opensource.html
198•awaaz•4h ago•33 comments

Dave Farber has passed away

https://lists.nanog.org/archives/list/nanog@lists.nanog.org/thread/TSNPJVFH4DKLINIKSMRIIVNHDG5XKJCM/
9•vitplister•23m ago•2 comments

Matchlock: Linux-based sandboxing for AI agents

https://github.com/jingkaihe/matchlock
38•jingkai_he•3h ago•5 comments

Show HN: LocalGPT – A local-first AI assistant in Rust with persistent memory

https://github.com/localgpt-app/localgpt
245•yi_wang•10h ago•119 comments

Reverse Engineering Raiders of the Lost Ark for the Atari 2600

https://github.com/joshuanwalker/Raiders2600
14•pacod•2h ago•1 comments

Haskell for all: Beyond agentic coding

https://haskellforall.com/2026/02/beyond-agentic-coding
144•RebelPotato•10h ago•43 comments

SectorC: A C Compiler in 512 bytes (2023)

https://xorvoid.com/sectorc.html
323•valyala•18h ago•65 comments

LLMs as the new high level language

https://federicopereiro.com/llm-high/
136•swah•5d ago•245 comments

The Architecture of Open Source Applications (Volume 1) Berkeley DB

https://aosabook.org/en/v1/bdb.html
45•grep_it•5d ago•8 comments

Modern and Antique Technologies Reveal a Dynamic Cosmos

https://www.quantamagazine.org/how-modern-and-antique-technologies-reveal-a-dynamic-cosmos-20260202/
11•sohkamyung•5d ago•0 comments

Software factories and the agentic moment

https://factory.strongdm.ai/
242•mellosouls•20h ago•400 comments

(AI) Slop Terrifies Me

https://ezhik.jp/ai-slop-terrifies-me/
21•Ezhik•1h ago•8 comments

Rabbit Ear "Origami": programmable origami in the browser (JS)

https://rabbitear.org/book/origami.html
12•molszanski•3d ago•3 comments

Speed up responses with fast mode

https://code.claude.com/docs/en/fast-mode
195•surprisetalk•17h ago•200 comments

Hoot: Scheme on WebAssembly

https://www.spritely.institute/hoot/
197•AlexeyBrin•23h ago•36 comments

uLauncher

https://github.com/jrpie/launcher
40•dtj1123•5d ago•10 comments

Stories from 25 Years of Software Development

https://susam.net/twenty-five-years-of-computing.html
213•vinhnx•21h ago•24 comments

Vocal Guide – belt sing without killing yourself

https://jesperordrup.github.io/vocal-guide/
376•jesperordrup•1d ago•112 comments

Brookhaven Lab's RHIC concludes 25-year run with final collisions

https://www.hpcwire.com/off-the-wire/brookhaven-labs-rhic-concludes-25-year-run-with-final-collis...
85•gnufx•16h ago•66 comments

LineageOS 23.2

https://lineageos.org/Changelog-31/
85•pentagrama•6h ago•22 comments

The Legacy of Daniel Kahneman: A Personal View (2025)

https://ejpe.org/journal/article/view/1075/753
5•cainxinth•3d ago•0 comments

Wood Gas Vehicles: Firewood in the Fuel Tank (2010)

https://solar.lowtechmagazine.com/2010/01/wood-gas-vehicles-firewood-in-the-fuel-tank/
56•Rygian•3d ago•28 comments

Show HN: I saw this cool navigation reveal, so I made a simple HTML+CSS version

https://github.com/Momciloo/fun-with-clip-path
117•momciloo•18h ago•25 comments

First Proof

https://arxiv.org/abs/2602.05192
156•samasblack•20h ago•95 comments

In the Australian outback, we're listening for nuclear tests

https://www.abc.net.au/news/2026-02-08/australian-outback-nuclear-tests-listening-warramunga-faci...
17•defrost•2h ago•4 comments

Start all of your commands with a comma (2009)

https://rhodesmill.org/brandon/2009/commands-with-comma/
622•theblazehen•3d ago•223 comments

Substack confirms data breach affects users’ email addresses and phone numbers

https://techcrunch.com/2026/02/05/substack-confirms-data-breach-affecting-email-addresses-and-pho...
77•witnessme•7h ago•35 comments

Al Lowe on model trains, funny deaths and working with Disney

https://spillhistorie.no/2026/02/06/interview-with-sierra-veteran-al-lowe/
114•thelok•20h ago•27 comments

Where did all the starships go?

https://www.datawrapper.de/blog/science-fiction-decline
198•speckx•4d ago•293 comments

OpenCiv3: Open-source, cross-platform reimagining of Civilization III

https://openciv3.org/
929•klaussilveira•1d ago•284 comments
Open in hackernews

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

https://draw.wrobele.com/
56•tomaszsobota•3mo 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•3mo 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•3mo 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•3mo 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•3mo ago
This might work! I'll implement this and see how it feels, thanks.
huydotnet•3mo ago
You can connect your iPad to mac via the charger cable and use it as an external monitor. Apple Pencil works too.
alsetmusic•3mo 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•3mo 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•3mo 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•3mo ago
That is a great idea! I'll add that, thank you :)
raju•3mo 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•3mo 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•3mo ago
Is there any plan for a Windows version ? This is so useful
tomaszsobota•3mo ago
Thank you! Yes, a Windows release is coming! Perhaps not for at least a month but it's definitely on my roadmap :)
alyxya•3mo 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•3mo 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•3mo ago
Great, perfect, bought it.
tomaszsobota•3mo 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 :)
TaqPolymerase•3mo ago
Super useful and a great price. Added to my Login Items and remapped some of the extra modifier keys on my Keychron Q11 for even easier access to Draw/HUD. Perhaps one nice-to-have would be an indicator that 'Draw' is active so I know what my next click is going to do (maybe the menu icon changes?). Thank you!
tomaszsobota•3mo ago
Thank you for your feedback! That's a great idea, I'll look into it :)