Website: https://www.minicreo.com/syncbird/
Download: SyncBirdPro-3.4.3.zip – mirror
SyncBird Pro comes as perfect iTunes alternative that are truly essential for your iPhone, iPad and iPod music management. No matter your music are burned from CDs, downloaded from Internet, or recorded on your own, SyncBird Pro can help upload your music to your iPhone, iPad or iPod from any iTunes library, on any Mac or PC Windows computer.
Erro from download url:
Sorry, that page cannot be found.
now it is working also check https://filepost.it/minicreo.com/SyncBirdPro-3.4.3.zip
Thanks for the valid link. Appreciated it.