Last updated: 12 May 2026
ParaRead is built on the shoulders of giants. This page credits the typefaces, open-source libraries, and service providers we rely on, and links to their original licenses. If you spot a missing attribution, please email support@mail.pararead.app and we will fix it.
ParaRead's interface is set in two open-source typefaces, bundled in the iOS app and served on this website. Both are licensed under the SIL Open Font License, Version 1.1, which permits use, modification, and redistribution.
Inter SIL OFL 1.1
Copyright © 2016 The Inter Project Authors — github.com/rsms/inter. Used throughout the app and website for body and UI text.
Fraunces SIL OFL 1.1
Copyright © 2018 The Fraunces Project Authors (Undercase Type) — github.com/undercasetype/Fraunces. Used for display headings.
JetBrains Mono SIL OFL 1.1
Copyright © 2020 The JetBrains Mono Project Authors — github.com/JetBrains/JetBrainsMono. Used for code samples and badges.
The ParaRead iOS app links the following third-party Swift packages. Each is governed by its own license, reproduced in full at the linked source.
| Library | Used for | License |
|---|---|---|
| Firebase iOS SDK | Analytics, Cloud Messaging (push notifications) | Apache-2.0 |
| GoogleSignIn-iOS | Sign in with Google | Apache-2.0 |
| RevenueCat — purchases-ios | Subscription management for ParaRead Premium | MIT |
| Moya | Network layer abstraction over URLSession | MIT |
| Factory | Dependency injection | MIT |
| ActivityIndicatorView | Branded loading spinners | MIT |
| Mockable | Test-time mocks for protocols (test target only) | MIT |
| SwiftLint | Build-time linting (not shipped in the app binary) | MIT |
The internal ParaRead admin panel (hosted on a separate subdomain) is a React single-page app built with the libraries below.
| Library | Used for | License |
|---|---|---|
| React & React DOM | UI framework | MIT |
| React Router | Client-side routing | MIT |
| TanStack Query | Server-state synchronization and caching | MIT |
| React Hook Form & @hookform/resolvers | Form state and validation | MIT |
| Radix UI Primitives | Accessible dialog, dropdown, select, tooltip components | MIT |
| Tailwind CSS | Utility-first CSS framework | MIT |
| Lucide | Icon set | ISC |
| Recharts | Charting | MIT |
| date-fns | Date manipulation | MIT |
| Zod | Schema validation | MIT |
| Zustand | Client state container | MIT |
| Axios | HTTP client | MIT |
| class-variance-authority, clsx, tailwind-merge | Class-name composition for Tailwind | MIT / Apache-2.0 |
| Vite | Build tool and dev server | MIT |
| TypeScript | Type system | Apache-2.0 |
These libraries power our Python backend. They run on our servers and do not ship to your device — we list them here for transparency.
| Library | Used for | License |
|---|---|---|
| FastAPI | HTTP API framework | MIT |
| Starlette & Uvicorn | ASGI server and toolkit | BSD-3-Clause |
| SQLAlchemy & Alembic | ORM and database migrations | MIT |
| asyncpg | Async PostgreSQL driver | Apache-2.0 |
| Pydantic & pydantic-settings | Data validation and settings management | MIT |
| httpx | Async HTTP client | BSD-3-Clause |
| firebase-admin (Python) | Sending push notifications via FCM | Apache-2.0 |
| argon2-cffi | Password hashing | MIT |
| PyJWT | Issuing and verifying our self-hosted access tokens | MIT |
| Resend (Python) | Transactional email delivery | MIT |
| Boto3 | S3-compatible client for DigitalOcean Spaces | Apache-2.0 |
| Trafilatura | Article body extraction from source HTML | Apache-2.0 / GPL-3.0+ |
| Anthropic SDK & OpenAI SDK | AI providers for exercises and hints | MIT / Apache-2.0 |
| Jinja2 | Prompt and email template rendering | BSD-3-Clause |
| structlog | Structured logging | MIT / Apache-2.0 |
| React Email | Authoring transactional email templates | MIT |
These third parties run infrastructure or platform features we depend on. They are vendors, not open-source contributions — but the service is part of what makes ParaRead work end-to-end and we think it is fair to credit them.
www.pararead.app.
Apple, the Apple logo, App Store, and Sign in with Apple are trademarks of Apple Inc., registered in the U.S. and other countries. Google, Firebase, Sign in with Google, and the Google logo are trademarks of Google LLC. All other trademarks, service marks, and trade names referenced on this page are the property of their respective owners. Use of these marks does not imply any endorsement.
Spotted a missing attribution, a wrong license, or a project we should credit? Please email support@mail.pararead.app and we will update this page promptly.