Website stickers

Lucide

The website uses Lucide’s Lock Keyhole icon under the ISC license. Lucide · ISC License

Noto Emoji

The website letter demo uses nine unmodified SVG illustrations from Google Noto Emoji v2.047. © Google, Inc. Used under the Apache License 2.0.

Source · Apache License 2.0

Swift Packages & SDKs

GRDB.swift

Used for local SQLite data access.

Usage & source note: Package.resolved: grdb.swift 7.8.0

MIT License

Lottie iOS

Used for Lottie animation playback and rendering.

Usage & source note: Package.resolved: lottie-ios 4.5.2

Apache License 2.0

ZIPFoundation

Used for reading and importing ZIP files.

Usage & source note: Package.resolved: zipfoundation 0.9.20; upstream LICENSE at tag 0.9.20

MIT License

LiquidGlasKit

Used for Liquid Glass-compatible visual behavior.

Usage & source note: Package.resolved: LiquidGlasKit 1.0.0

MIT License

Bundled Fonts

Source Han Serif SC / 思源宋体

Used only as an in-app typography resource; font files are not sold or distributed separately.

Usage & source note: Bundled file: SourceHanSerifSC-Regular.otf; local OFL notice archived

SIL Open Font License 1.1

Xiaolai / 小赖字体

Bundled for Chinese and Latin typography, with the OFL notice retained.

Usage & source note: Bundled file: Xiaolai-Regular.ttf; local OFL notice archived

SIL Open Font License 1.1

Liyu Shoushu / 漓雨手书

Bundled as a handwriting-style font, retaining upstream attribution for Yuji Syuku, LXGW ZhenKai, and zi2zi-JiT.

Usage & source note: Bundled file: LiyuShoushu.ttf; upstream notice and local OFL notice archived

SIL Open Font License 1.1

Kumbh Sans Regular

Bundled for Latin typography as a selected Regular static font.

Usage & source note: Bundled file: KumbhSans-Regular.ttf; local OFL notice archived

SIL Open Font License 1.1

Liaison Grotesk Regular

Bundled for Latin typography with the original README and OFL notice retained.

Usage & source note: Bundled file: LiaisonGrotesk.otf; original README and local OFL notice archived

SIL Open Font License 1.1

Catrinity Regular

Bundled for Latin typography, retaining the Reserved Font Name “Catrinity.”

Usage & source note: Bundled file: Catrinity.otf; local OFL notice archived

SIL Open Font License 1.1

Audio Resources

Happy Birthday by nastelbom

Provided as a built-in background music resource.

Usage & source note: Pixabay license certificate downloaded 2026-06-06 UTC, audio file ID 471481

Pixabay Content License

Visual Effect References & Derived Code

ShaderKit by James Rochabrun

Used as a reference for sticker highlights, materials, and shader effects; original MIT notice is retained in the shader file.

Usage & source note: memobox-ios/Business/VisualEffects/VisualEffectShaders.metal

MIT License

IHImageViewEffects

Used as an implementation reference for balloon and confetti effects.

Usage & source note: docs reference project, copyright Md Ibrahim Hassan

MIT License

QZ_CAEmitterLayer

Used as an implementation reference for weather-like particle effects.

Usage & source note: docs reference project, copyright dazheng_wu

MIT License

CAEmitter by fenglinyunshi

Used as a visual and CAEmitterLayer parameter reference for sakura falling effects. Because the repository does not provide a clear license, this is attribution only and not an open-source license claim.

Usage & source note: docs/参考资料/参考项目/参考这个的樱花效果/CAEmitter-master

未找到公开 License

雪花树叶等飘落效果 / CAEmitterLayer reference

Used as a visual and implementation reference for falling leaves. The local reference is preserved, but the original GitHub URL has not been recovered yet.

Usage & source note: docs/参考资料/参考项目/雪花树叶等飘落效果

来源地址与公开 License 待补充

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