H
Hyperapp
A practical micro-framework that Metapsi imports by default
Ionic
Open source UI toolkit for building performant, high-quality mobile apps
Shoelace
A forward-thinking library of web components.
Luxon
DateTimes, Durations, and Intervals. Immutable, chainable, unambiguous API. Native time zone and Intl support (no locale or tz files)
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And many more to come