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Bokuchi vs Formiko: catalog facts
Bokuchi	Formiko
Free The official site describes Bokuchi as free, with no ads or subscription.	Free Free and open source under the BSD-3-Clause license.
Windows, macOS, Linux	Linux
Live preview with synchronized scrolling KaTeX math and Mermaid diagrams	Live preview for reStructuredText and Markdown Supports multiple Docutils output formats
Limitations not stated	The Vim editing mode requires an embedded Neovim instance.
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: BSD-3-Clause
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 6, 2026	Official website Full listing and sources Checked October 8, 2026

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