oSync
oSync 1.0.1 6 for Windows
Minisu Browser & Email / Browser Tweak
oSync provides a simple and secure way to synchronize Opera's bookmarks beetween computers

Software Summary:

You can run oSync on Windows operating systems. oSync is a software product developed by Minisu and it is listed in the Browser & Email category under Browser Tweak. oSync is a free software product and it is fully functional for an unlimited time although there may be other versions of this software product.

Alternatives in Browser & Email on Windows