Advanced Email Backup is a good backup solution for Windows.
Retina-X Studios, LLC
EZ eMail Backup is an e-mail desktop client backup and restore tool.
Avira Operations GmbH & Co
This handy tool lets you back up files on an online cloud location.
.NET component to share data across processes on the same PC.
A software calculator for toroid and air coil computations.
This is a Opera Widget with the most used Google searches.
OperaBackup makes it easy to backup your Opera bookmarks or mail.
This little program will backup your Opera settings and files, and restore them.
A backup and recovery solution for Opera Browser, with basic functionalities.
Free Backup & Recovery for Opera Mail.
It allows you to design low pass, high pass, and band pass filters.
FabFilter Software Instruments
FabFilter Simplon has two multimode filters, low-pass, high-pass and band-pass.
Opera Update Checker is a widget for the latest Opera browser.
Four filters that they are switchable between Lo pass, hi pass, band pass & more.
To convert & export opera mail to Outlook, you need an Opera Mail Converter Tool.