Theseus

Liquid Glass UI, backported to iOS 13+ and open source.

Visit github.com ↗Alternativestop 8% of December 2025

What it does

Theseus is a lightweight Swift Package that backports the iOS 26 Liquid Glass aesthetic to iOS 13+. Inspired by the Ship of Theseus, it rebuilds modern glass UI effects (refraction, depth, and highlights) piece by piece, without relying on new OS features.

Does a similar job

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