FlexBuy is built on open-source software. The list below is the top-level attribution. A machine-readable licence bundle ships in every mobile app under Settings → Legal → Open-source licenses.
Backend
- Laravel — MIT license
- Filament — MIT license
- Livewire — MIT license
- Spatie Permission — MIT license
- Stripe PHP SDK — MIT license
- Kreait Firebase PHP — MIT license
Mobile
- Flutter — BSD 3-Clause license
- go_router, flutter_secure_storage, firebase_messaging, local_auth — BSD / MIT / Apache 2.0
- flutter_stripe — MIT license
Widget
- Hand-authored, no external runtime dependencies. Bundled as ~3.6 KB gzipped.
Fonts & icons
- Inter — SIL Open Font License 1.1
- Instrument Serif — SIL Open Font License 1.1
- JetBrains Mono — SIL Open Font License 1.1
- Heroicons — MIT license
See Asset attribution for photos and illustrations.