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OpenSlides vs Chalk

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

OpenSlides compared with Chalk
DetailOpenSlides logo OpenSlidesChalk logo Chalk
What it doesA deck studio that runs in your browser with animated slides, live presenting, narration, dubbing and video export A native macOS drawing app for quick sketches, screenshot markup, and AI-generated diagrams
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Freemium
PricingFree: all features except AI. AI on account credits: 1,000 credits for $5 or 5,000 for $20. Optional cloud services billed by their providers. Free: $0 forever, includes all drawing tools, unlimited sketches in one folder, copy to clipboard as PNG, and auto-save with local-first storage. Pro: coming soon.
Key features
  • 263 animated motion components including backgrounds, kinetic type, charts, maps, 3D, and interactive widgets
  • Live presenting with presenter view showing notes, next slide and timer
  • Narration and dubbing in multiple languages
  • Import and export PowerPoint files and PDF
  • Four-step workflow from brief to finished deck with or without AI
  • Full studio functionality on phone and tablet
  • AI integration with multiple model providers and account credits
  • Encrypted sharing with private links that hosts cannot read
  • Instant copy-to-clipboard as PNG
  • No accounts or setup required
  • Local-first storage with auto-save
  • Screenshot annotation with arrows, boxes, text, and freehand tools
  • AI diagram generation via Claude, Cursor, Windsurf, and VS Code
  • Refine diagrams through chat
  • Paste screenshot from clipboard
  • Unlimited sketches in one folder
  • Native macOS performance
  • All drawing tools included in free version
What makes it different
  • All features except AI are completely free with no watermark and no account required
  • Your decks stay on your device in browser storage until you choose to share them
  • AI stays optional and works with your own keys so the company never sees your deck or bills
  • Open source code licensed MIT or Apache-2.0 at your choice
  • Automatic self-repair that checks and fixes AI-generated changes up to twice
  • Zero-friction design: open, draw, and share in seconds with no setup or accounts
  • Local-first architecture: all sketches stay on your Mac, nothing leaves unless you ask
  • AI integration runs through your own subscription with no proxying of prompts
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)1324
Referring domains (Majestic)346

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