Compare software

Heynote vs fylepad: catalog facts
Heynote	fylepad
Free Free download with source code on GitHub.	Free Free and open source under the MIT licence.
Windows, macOS, Linux	Windows
Blocks with per-block language, highlighting and auto-format Built-in calculator blocks with units and currencies	Mermaid and PlantUML diagrams built in Rich text, tables and code blocks
A scratchpad rather than a full note organiser or editor	Little public documentation Small project with an unknown long-term roadmap
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: MIT
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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