Butterfly
Combine sketches, notes, PDFs and images on an open workspace for a brief or storyboard.
What’s included for free?
Free desktop/mobile/web app with PDF, SVG, image and portable-file exports. No account, subscription or proprietary cloud is required for local use. Collaboration is experimental; optional sync uses your own services.
Where it runs: Local install
Provider information ↗Checked 2026-10-16
Before you use it
AGPL-3.0 software; branding CC-BY-SA-4.0
Provider terms can change. Check current pricing and usage rights before starting a project.