# Developing your app: How to...

- use [best practices](/development/howto/best_practices.md) for developing
large apps and [avoid antipatterns](/development/howto/antipatterns.md).

- use Qooxdoo's built-in [logging system](/development/howto/logging.md)
- [translate your application](/development/howto/internationalization.md)
- use [Icon Fonts](/development/howto/icon_fonts.md)
- manage [memory efficiently](/development/howto/memory_management.md)
- optimize your app by [splitting it into parts](/development/howto/parts.md)
- use [non-qooxdoo libraries in your application](/development/howto/using_non_qx_libs.md)
