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Workflowy vs Piga: catalog facts
Workflowy	Piga
Freemium Free plan with 100 nodes per month; Pro costs $6.99 per month billed annually.	Free Free and open source under the Apache 2.0 licence.
Windows, macOS, Linux, Android, iOS, Web, Browser extension	Web, Self-hosted
One nested list replaces folders and documents Apps for desktop, mobile and web with sync	Extensive keyboard shortcuts for editing lists Collapsible indented tasks and tags
Free plan caps new nodes at 100 per month Requires an account and cloud sync	Requires Java 11 and a database server Minimal documentation and a small user base
Downloadable app, Web application, Hosted service, Browser extension	Self-hosted
Closed source	Open source
License not stated	License: Apache-2.0
Account needed	Account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.