- Pressed Opacity Button - https://github.com/ampersanda/flutter-pressed-opacity-button
- Storage Contract - https://pub.dev/packages/storage_contract from https://github.com/ampersanda/storage_contract
- Shimmer - https://github.com/ampersanda/flutter_universal_shimmer
- Indonesian Currency Formatter - https://github.com/ampersanda/indonesian_currency_input_formatter
- Percentage Formatter - https://github.com/ampersanda/percentage_input_formatter