Open Source Licenses

Huon is built with the help of amazing open source libraries. We are grateful to the developers and maintainers of these projects for their contributions to the open source community.

Below is a list of all open source libraries used in Huon, along with their licenses and links to their repositories. Each library is subject to its respective license terms.

Auth0.swift

Swift SDK for Auth0 authentication and authorization

EventSource

Server-sent events implementation for Swift

GRMustache.swift

Flexible Mustache template engine for Swift

Highlightr

iOS & macOS syntax highlighter built with Swift

JWTDecode.swift

JWT decoder for iOS, macOS, tvOS, and watchOS

LaTeXSwiftUI

SwiftUI views for rendering LaTeX equations

MathJaxSwift

MathJax integration for Swift applications

Apache License 2.0View on GitHub →

NetworkImage

Async image loading for SwiftUI

SimpleKeychain

Simple Keychain wrapper for iOS, macOS, tvOS, and watchOS

Swift Async Algorithms

Async sequence algorithms from Apple

Apache License 2.0View on GitHub →

Swift cmark

CommonMark parsing and rendering library

BSD-2-ClauseView on GitHub →

Swift Collections

Commonly used data structures for Swift

Apache License 2.0View on GitHub →

Swift HTML Entities

HTML entity encoding and decoding for Swift

Apache License 2.0View on GitHub →

Swift Log

Logging API package for Swift

Apache License 2.0View on GitHub →

Swift Markdown UI

Display and customize Markdown text in SwiftUI

Swift Protobuf

Protocol Buffers support for Swift

Apache License 2.0View on GitHub →

Swift SDK (MCP)

Model Context Protocol Swift SDK

Swift Service Lifecycle

Service lifecycle management for Swift server applications

Apache License 2.0View on GitHub →

Swift System

Low-level system calls and types for Swift

Apache License 2.0View on GitHub →

SwiftDraw

SVG rendering library for Swift

Zlib LicenseView on GitHub →

SwiftSoup

HTML parser and XML parser for Swift

ZIPFoundation

Effortless ZIP handling in Swift

Additional Acknowledgments

Anki: Anki is a trademark of Ankitects Pty Ltd. Huon is not affiliated with, endorsed by, or sponsored by Ankitects Pty Ltd. Huon provides the ability to import Anki packages for personal use.

FSRS Algorithm: Huon uses the FSRS (Free Spaced Repetition Scheduler) algorithm, an open-source spaced repetition algorithm developed by Jarrett Ye and contributors.

AI Services: When you provide API keys, Huon integrates with OpenAI (GPT-4) and Anthropic (Claude) services. These services are subject to their respective terms and privacy policies.