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Sleipnir vs Lunascape: catalog facts
Sleipnir	Lunascape
Free Free to download and use. The software is closed source.	Free Free to download and use. The software is closed source.
Windows, macOS	Windows, macOS
Right-button mouse gestures cover most navigation, and the tab thumbnails stay usable even with a hundred tabs open.	Ad blocking, a customisable dashboard and an Ethereum-compatible wallet are built in rather than added as extensions.
It is closed source, the documentation is largely Japanese, and the macOS build was paused over a Tahoe…	It is closed source, most of the documentation and support is in Japanese, and the Web3 and AI…
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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