Life & fun · alternatives · 2026

24 alternatives to Chalk: a Mac app for technical diagrams with a built-in MCP for Claude

Hey HN. Here's a Mac app I'm working on for making diagrams. It comes with an MCP server so Claude can make and edit diagrams directly. Still in progress, but I'd love some feedback.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1
Diagrams for Mac▲196
A diagram editor for visualizing structures and processes
2020 · diagrams.app · its alternatives →
2
Mark▲358
Create flowcharts & diagrams in seconds powered by AI
2017 · apps.apple.com · its alternatives →
3
Sketch 40▲510
Latest version of the vector drawing tool
2016 · sketch.com · its alternatives →
4
Diagrams 2.0▲120
A major update to your diagramming experience on Mac
2021 · diagrams.app · its alternatives →
5
Web to MCP▲353
Send any website components to Cursor or Claude via MCP
2025 · web-to-mcp.com · its alternatives →
6
watson!▲108
Transparent note/drawing app for macOS
2023 · apps.apple.com · its alternatives →
7
Paste MCP & AI Tools▲219
Infinite clipboard for Claude, Codex and other AI tools
Jun 2026 · pasteapp.io · its alternatives →
8
Sketch 42▲284
Now with export presets, touch bar integration, and more
2017 · sketch.com · its alternatives →
9
HUD-like live annotation and sketching app for macOS▲56
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…
Oct 2025 · draw.wrobele.com · its alternatives →
10
Whiteboard▲187
Simple whiteboard app to make sketching quick & easy
2015 · its alternatives →
11
Pichon for Mac▲270
Best design graphics at your fingertips, just drag and drop
2021 · icons8.com · its alternatives →
12
CC-BEEPER▲223
A floating macOS pager for Claude Code
Apr 2026 · github.com · its alternatives →
13
Annotate▲193
Menubar app to draw on any app or screen on macOS
2024 · getannotate.com · its alternatives →
14
Sketch 3▲297
Liquid Glass redesign, an all-new Inspector, and more
2014 · sketch.com · its alternatives →
15
Sketchpacks▲44
Manage and sync your Sketch plugins
2017 · sketchpacks.com · its alternatives →
16
macOS 11 Big Sur UI Kit▲158
The most detailed and accurate macOS UI Kit for Sketch 💎
2021 · macos-uikit.xyz · its alternatives →
17
Chalked for Mac▲89
Your replies ready with your work's full context
Sep 2026 · usechalked.com · its alternatives →
18
Doop▲115
Design with AI agents - live on the same canvas
Sep 2026 · doop.design · its alternatives →
19
ConceptDraw DIAGRAM v12.1.6▲8
Drawing and Diagramming App for macOS and Windows
2019 · conceptdraw.com · its alternatives →
20
Lekh Diagram, sketch recognition diagramming app for ipad▲87
Download Lekh: whiteboard & diagramming by LEKHAPP LLC on the App Store. See screenshots, ratings and reviews, user tips, and more apps like Lekh: whiteboard &…
2012 · itunes.apple.com · its alternatives →
21
Draw.io▲132
Create and share diagrams easily
2013 · draw.io · its alternatives →
22
Strips▲108
iOS video sketchbook maker using neural networks
2018 · apps.apple.com · its alternatives →
23
Sketch App Essentials▲95
Learn Sketch in the shortest possible time
2016 · its alternatives →
24
AI Designer MCP▲89
Give your agent tools to create beautiful, codebase-aware UI
Apr 2026 · aidesigner.ai · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →