Third-Party Notices
Know what is required, referenced and not redistributed
LocalizeShip requires the free Unity Localization package 1.5.13. Addressables 1.25.0 is installed with that package. Their licensing remains governed by Unity’s package terms.
Optional provider adapters
LocalizeShip includes compile-isolated modules named for I2 Localization and Pixel Crushers Dialogue System. They are verified only for clean compilation and provider-absent behaviour. LocalizeShip does not redistribute either commercial product, and no compatibility claim is made against a licensed installation.
The provider capture used in this documentation deliberately shows both optional providers absent:

The optional I2 Localization and Dialogue System adapters are shown absent; this is not licensed-install verification.
Your responsibility
Review the Unity Asset Store terms and any third-party provider licence before distributing a project that uses those products. Keep provider-specific code behind its compile boundary and test it against the exact versions in your project.