ScreenMark
Menu bar app for live annotations, whiteboard overlay + more
What it does
ScreenMark is a macOS menu bar app for live screen annotation, zoom, whiteboard overlay, freeze frame, and recording. Perfect for teachers, presenters, and developers. A free companion iPhone app turns your phone into a remote: trigger cursor highlight, flashlight, drawing and zoom. The free tier covers the core annotation tools. ScreenMark Pro unlocks recording, live zoom, cursor highlight and flashlight, advanced annotation, custom break-mode, custom shortcuts available in pro.
ScreenMark is a macOS menu bar app for live screen annotation, zoom, whiteboard overlay, freeze frame, and recording — with a free iPhone remote companion. Perfect for teachers, presenters, and developers.
ScreenMark is your menu bar companion for live annotation, zoom, whiteboard, freeze frame, and recording — all without leaving your flow. From a quick annotation to a full recording session — ScreenMark keeps it all one click away. Magnify any area of your screen in real time. Classic zoom or interactive live lens — keep viewers focused without resizing anything. Pro Pen, arrows, shapes, text, eraser, highlighter, blur, and spotlight — with S/M/L/XL stroke sizes. In-place text editing with drag-to-move. Pause the display on any moment. Annotate the frozen frame or drag-to-snip a region and save it to clipboard or disk. Cover your screen with a blank whiteboard or blackboard and sketch…from ceritmustafa.github.io
Does the same job
all alternatives →
More work this month
the category →
The app store for voice native apps that lives in your notch
Work · 28d ago · voiceos.com
The New Calendly▲211Handle all of the work before, during, and after meetings
Work · 17d ago · calendly.com
Launched alongside, August 2026
the whole month →- TL
Life & fun · 10d ago · louisabraham.github.io
- SA
Hello HN! I found that picking out plausible but diverse skin tones for my digital art and game development projects was kind of difficult, and I got curious about if there was a way to define a color space that made it easy. I've built a color picker and procedural generation algorithm based on the space as well as a bunch of other fun js features and demos throughout the page that use the equations. If you find it interesting, I have lots of explanations of how I built it and what properties the space has. The methodology might be a bit shaky, but hopefully the result is as helpful for…
Life & fun · Aug 2026 · toneyalexander.github.io
I trained a 125M-parameter transformer to autocomplete piano performances in real time (~108 notes/sec on an iPhone 15). The idea is basically GitHub Copilot or Tabnine, except instead of prompting it with code, you prompt it by playing a few notes on a MIDI piano. The model then continues what you played, entirely on-device. The app is free if anyone wants to try it. Happy to answer questions about the model, training, Core ML, or the many things that didn't work.
AI · 16d ago · simedw.com